menghan gao, khai ern lee, aida soraya shamsuddin.  (2025).  landscape approaches and stakeholder engagement in nature-based solutions for sustainable river floodplains: a systematic review.  - ecological indicators.  1 - 22. 

noor zarina mohd nazir, khai ern lee, thian lai goh, mazlin mokhtar, noor atiqah sharani, alijah mohd aris, bee chin khor, wan abd rahim wan abdullah, huzaini husain, raja baharudin raja mamat .  (2025).  enhancing water security through mobile constructed wetlands: a decentralised approach for wastewater reclamation and reuse.  - journal of environmental chemical engineering.  1 - 17. 

nurul' ain jamion, khai ern lee, mazlin mokhtar, thian lai goh.  (2025).  water quality assessment of ex-mining lakes converted man-made wetlands in paya indah wetlands, selangor, malaysia.  - water, air & soil pollution.  1 - 23. 

nur hairunnisa rafaai, khai ern lee, noor zarina mohd nazir, amirruddin abdul kadir, ainul rasyidah ab rahim, mazlin mokhtar, thian lai goh.  (2025).  from fragmentation to consolidation: an integrated approach for multidimensional analysis of water security in langat river basin, malaysia.  - environmental science and policy .  1 - 21. 

noor zarina mohd nazir, khai ern lee, ainul rasyidah ab rahim, thian lai goh, mazlin mokhtar, wan abd rahim wan abdullah, huzaini husain, raja baharudin raja mamat.  (2025).  delineating the fundamental attributes and traits of nature-based solutions in wastewater management.  - journal of environmental management.  1 - 18. 

zhimin chen, muhammad rizal razman, sharifah zarina syed zakaria, khai ern lee, jue wang.  (2025).  understanding fluoride's influence on mental health: aigc educational methods for undergraduate students.  - fluoride.  1 - 14. 

zhenghua liu, goh thian lai, abdul g.m. rafek, ailie s. serasa, lee khai ern.  (2025).  ages of detrital zircons from deep-water gas field l3 in the northern south china sea and their significance for provenance evolution.  - sains malaysiana.  663 - 675. 

tan jia qi, norasiah sulaiman, nor shahidah mohd nazer, muhammad taqiuddin zakaria, nurul ‘amalina md nor, askury abd kadir, abdul ghani rafek, ailie sofyiana serasa, lee khai ern, goh thian lai.  (2025).  systematic approach to boulder stability assessment at a boulder covered area: case study at gunung bujang melaka, kampar, perak.  - sains malaysiana.  1657 - 1666. 

liao kaifei, zhong kai, lu yi, goh thian lai, lee khai ern.  (2024).  characteristics of oil and gas distribution and controlling factors of hydrocarbon accumulations in the eocene pinghu formation of the xihu depression, east china sea.  - sains malaysiana.  1545 - 1558. 

afiq f.a. rahim, abdul g.m. rafek, ailie s. serasa , abd rasid jaapar, goh thian lai, rodeano roslee, lee khai ern , nguyen xuan huy, tran van xuan.  (2023).  a review of rock slope stability assessment practice in malaysia.  - sains malaysiana.  399-416. 

zhenghua liu, goh thian lai, abdul g.m. rafek, ailie s. serasa, lee khai ern.  (2025).  ages of detrital zircons from deep-water gas field l3 in the northern south china sea and their significance for provenance evolution.  - sains malaysiana.  663 - 675. 

tan jia qi, norasiah sulaiman, nor shahidah mohd nazer, muhammad taqiuddin zakaria, nurul ‘amalina md nor, askury abd kadir, abdul ghani rafek, ailie sofyiana serasa, lee khai ern, goh thian lai.  (2025).  systematic approach to boulder stability assessment at a boulder covered area: case study at gunung bujang melaka, kampar, perak.  - sains malaysiana.  1657 - 1666. 

noor zarina mohd nazir, khai ern lee, ainul rasyidah ab rahim, thian lai goh, mazlin mokhtar, wan abd rahim wan abdullah, huzaini husain, raja baharudin raja mamat.  (2025).  delineating the fundamental attributes and traits of nature-based solutions in wastewater management.  - journal of environmental management.  1 - 18. 

zhimin chen, muhammad rizal razman, sharifah zarina syed zakaria, khai ern lee.  (2025).  assessing knowledge, attitudes and behaviours for sustainable development: a case study of tibet university.  - discover sustainability.  1 - 18. 

noor zarina mohd nazir, khai ern lee, thian lai goh, mazlin mokhtar, noor atiqah sharani, alijah mohd aris, bee chin khor, wan abd rahim wan abdullah, huzaini husain, raja baharudin raja mamat .  (2025).  enhancing water security through mobile constructed wetlands: a decentralised approach for wastewater reclamation and reuse.  - journal of environmental chemical engineering.  1 - 17. 

nurilla elysa putri, nor diana mohd idris, lee khai ern.  (2025).  the flooding issues are facing by small-scale rice farmers in south sumatra, indonesia .  - iop conf. series: earth and environmental sciences.  1 - 8. 

m r zainudin, h w you, k e lee, a m zahidi.  (2023).  quality control assessment in the river of kajang, selangor, malaysia.  - international conference on civil and environmental engineering 2022 (cenviron2022).  1-8. 

haris hafizal abd hamid, mohd shahrul mohd nadzir, khai ern lee, alefee ayatillah, mohd talib latif, murnira othman.  (2023).  indoor level of btex and health risk assessment at science laboratories in a university.  - 4th international symposium on civil and environmental engineering (iscee 2022) iop conf. series: earth and environmental science.  1-8. 

kamilia sharir, goh thian lai, norbert simon, lee khai ern, mustapha abd talip, rodeano roslee.  (2022).  assessment of flood susceptibility analysis using analytical hierarchy process (ahp) in kota belud area, sabah, malaysia.  - natural disaster seminar 2019 iop conf. series: earth and environmental science.  1-11. 

kamilia sharir, goh thian lai, norbert simon, lee khai ern, eldawaty madran, rodeano roslee.  (2022).  debris flow susceptibility analysis using a bivariate statistical analysis in the panataran river, kg melangkap, sabah, malaysia.  - natural disaster seminar 2019 iop conf. series: earth and environmental science.  1-11. 

naziatul aziah mohd radzi, normaizatul akma saidi, lee khai ern.  (2024).  pembangunan dan penghidupan lestari ke arah wawasan kemakmuran bersama.  - .  406 - 428. 

rasyikah md khalid, lee khai ern, nurlina mohamad ramzan, nik mohd noor faizul md. saad, wan nur`ashiqin wan mohamad, nur farhana abd razak, nur fadzlun johan.  (2024).  isu sepunya peringkat jajahan di lembangan sungai kedah.  - .  80 - 93. 

lee khai ern, mazlin mokhtar.  (2024).  isu dan cabaran perubahan iklim di kedah darul aman.  - .  23 - 32. 

rasyikah md khalid, lee khai ern, nurlina mohamad ramzan.  (2024).  lembangan sungai di negeri kedah darul aman.  - .  13 - 22. 

mufaro chitsa, subarna sivapalan, khai ern lee.  (2022).  communities, organizations, and partnerships for climate change mitigation and disaster reduction.  - .  407-416. 

loyola olga pius, nor diana mohd idris, lee khai ern, chin hon choong.  (2025).  faktor-faktor yang mempengaruhi penerimaan teknologi dron dalam kalangan petani bagi penanaman padi di lembaga kemajuan pertanian kemubu (kada), kelantan.  - kolokium siswazah lestari 2025.  . 

amirruddin abdul kadir, lee khai ern, goh choo ta, sharina abdul halim.  (2025).  kerangka governans berevolusi bagi pengurusan sumber air bersepadu di lembangan sungai langat.  - kolokium siswazah lestari 2025.  . 

kylie wang ching mun, lee khai ern, sharina abdul halim .  (2025).  pembentukan kerangka governans berevolusi untuk pengurusan sisa pepejal di pulau langkawi.  - kolokium siswazah lestari 2025.  . 

nor diana mohd idris, loyola olga pius, lee khai ern, nur riza mohd suradi, chin hon choong .  (2025).  penerimaan teknologi dron dalam kalangan pesawah di kada, kelantan: peranan pendidikan, literasi digital, dan latihan .  - proceeding kongres dan pertandingan dalam pengajaran & pembelajaran knovasi 2025.  14 - 17. 

rasyikah md khalid, lee khai ern, nurlina mohamad ramzan.  (2024).  lembangan sungai di kedah: isu dan tadbir urus.  - .  . 

lee khai ern, nurul' ain jamion.  (2025).  integrating nature values into carbon-water nexus of constructed wetland: the case of the paya indah wetlands, malaysia.  - webinar: “developments in environmental chemistry and future prospects”.  . 

lee khai ern.  (2025).  unipeq sdn bhd sustainability report 2024.  - .  . 

wu mei, lee khai ern, murnira othman, carolyn melissa payus.  (2025).  integrating dual-carbon approach into the governance for urban stormwater management of sponge city in tongzhou, china.  - kolokium siswazah lestari 2025.  . 

e. bahatiar, a. zulkifli*, a.s. shamsuddin, k.e. lee1 n. zainal abidin, e. zainal abidin.  (2025).  knowledge, attitude, and perceptions on tobacco product waste and the environmental consequences: a review.  - -.  28 - 28. 

lin zaihan, lee khai ern, nor diana mohd idris .  (2025).  enhancing water security through decentralised rural wastewater management using photocatalytic water treatment in guangxi, china.  - kolokium siswazah lestari 2025.  .