mohammad imam hasan reza, nur hairunnisa rafaai, saiful arif abdullah.  (2022).  application of graph-based indices to map and develop a connectivity importance index for large mammal conservation in a tropical region: a case study in selangor state, peninsular malaysia.  - ecological indicators.  1-10. 

woon hang lee, saiful arif abdullah.  (2019).  framework to develop a consolidated index model to evaluate the conservation effectiveness of protected areas.  - ecological indicators.  131-144. 

mohammad imam hasan reza, saiful arif abdullah, shukor md nor, mohd hasmadi ismail.  (2013).  integrating gis and expert judgment in a multi-criteria analysis to map and develop a habitat suitability index: a case study of large mammals on the malayan peninsula.  - ecological indicators.  34:149-158. 

sybil p. seitzinger, uno syedin, carole l. crumley, will steffen, saiful arif abdullah, christine alfsen, wendy j. broadgate, frank biermann, ninad r. bondre, john a. dearing, lisa deutsh, shobhak.  (2012).  planetary stewardship in an urbanizing world: beyond city limits.  - ambio.  41:787-794. 

reza, m.i.h., abdullah, s.a..  (2011).  regional index of ecological integrity: a need for sustainable management of natural resources.  - ecological indicators.  11(2):220-229. 

mohammad imam hasan reza, saiful arif abdullah, shukor bin md. nor, mohd hasmadi ismail.  (2018).  landscape pattern and connectivity importance of protected areas in kuala lumpur conurbation for sustainable urban planning.  - international journal of conservation science.  . 

s.m. mijan uddin, a.t.m. rafiqul hoque, saiful arif abdullah.  (2014).  the changing landscape of mangroves in bangladesh compared to four other countries in tropical regions.  - journal of forestry research.  25(3): 605-611. 

mohamed ikhwan nasir mohamed anuar, saiful arif abdullah.  (2022).  the benefits of green infrastructure planning in addressing lost spaces underneath elevated urban highways.  - planning malaysia.  255-270. 

mohammad imam hasan reza, nur hairunnisa rafaai, saiful arif abdullah.  (2022).  application of graph-based indices to map and develop a connectivity importance index for large mammal conservation in a tropical region: a case study in selangor state, peninsular malaysia.  - ecological indicators.  1-10. 

mohamed ikhwan nasir mohamed anuar, saiful arif abdullah.  (2020).  reappropriation of elevated highway residual space through green infrastructure planning.  - planning malaysia journal.  203-219. 

nur hairunnisa rafaai, saiful arif abdullah, mohammad imam hasan reza.  (2020).  identifying factors and predicting the future land-use change of protected area in the agricultural landscape of malaysian peninsula for conservation planning.  - remote sensing applications: society and environment.  1-14. 

amal najihah muhamad nor, saiful arif abdullah.  (2019).  developing urban green space classification system using multi-criteria: the case of kuala lumpur city, malaysia.  - journal of landscape ecology.  16-36. 

zakaria hashim, saiful arif abdullah.  (2022).  criteria for the protected area management category framework in peninsular malaysia for sustainable conservation planning.  - the 6th international symposium of sustainable landscape development.  1-7. 

najiha jaffar,nor zalina harun,saiful arif abdullah.  (2020).  values of physical landscape in accommodating social sustainability of traditional malay settlement.  - e-bpj, vol 5, no:15, dec 2020.  1-7. 

siti noor baizura bookhari, saiful arif abdullah, mohd kher hussien.  (2020).  recreation resource impacts of pantai kerachut trail in penang national park.  - iop conf. series: earth and environmental science - the 4th international symposium of sustainable landscape development.  1-10. 

w h lee, s a abdullah, n h rafaai.  (2019).  land use change and fragmentation in the protected areas of peninsular malaysia: the cases of klang gate and sungai dusun wildlife reserves.  - international conference on ecology and biodiversity across time and space.  1-9. 

zakaria hashim, saiful arif abdullah, shukor md. nor.  (2019).  the perceptions of local communities toward penang national park.  - iop conference series: earth and environmental science.  1-7. 

saiful arif abdullah, abdul malik mohd yusof, mohammad imam hasan reza.  (2018).  changing landscape and sustainability of wildlife protected areas in peninsular malaysia.  - .  104. 

saiful arif abdullah & nur hairunnisa rafaai.  (2017).  landscape ecology for sustainable society.  - .  14. 

saiful arif abdullah, shukor md. nor and abdul malek mohd yusof.  (2014).  designing low carbon societies in landscapes.  - .  12/205-222. 

prof. ir. dr. shahrir abdullah.  (2012).  garis panduan penyediaan dokumen program pengajian universiti kebangsaan malaysia.  - .  110. 

saiful arif abdullah.  (2011).  landscape ecology in asian cultures.  - .  41-53. 

saiful arif abdullah, amin setyo leksono.  (2022).  conserving biocultural landscapes in malaysia and indonesia for sustainable development.  - .  10. 

zakaria hashim, saiful arif abdullah.  (2022).  conserving biocultural landscapes in malaysia and indonesia for sustainable development.  - .  10. 

saiful arif abdullah, amin setyo leksono, sun-kee hong.  (2022).  conserving biocultural landscapes in malaysia and indonesia for sustainable development.  - .  12. 

saiful arif abdullah & nur hairunnisa rafaai.  (2017).  landscape ecology for sustainable society.  - .  14. 

mohd hasmadi ismail, che ku akmar che ku othman, ismail adnan abd malek and saiful arif abdullah.  (2014).  designing low carbon societies in landscapes.  - .  13: 223-238. 

saiful arif abdullah, amin setyo leksono, sun-kee hong.  (2022).  conserving biocultural landscape in malaysia and indonesia for sustainable development.  - .  232. 

saiful arif abdullah, abdul malik mohd yusof, mohammad imam hasan reza.  (2018).  changing landscape and sustainability of wildlife protected areas in peninsular malaysia.  - .  104. 

saiful arif abdullah, rospidah ghazali, sharina abdul halim, goh choo ta, lee khai ern.  (2018).  membudaya penyelidikan sains kelestarian.  - .  257. 

prof. ir. dr. shahrir abdullah.  (2012).  garis panduan penyediaan dokumen program pengajian universiti kebangsaan malaysia.  - .  110. 

saiful arif abdullah & adnan a. hezri.  (2009).  menjana keilmuan kelestarian.  - .  192. 

sarani zakaria, aisyah abdul rahman, jaharah a. ghani, zarina abdul latiff, mardina abdullah, abdul munir abd. murad, wan hanna melini wan mohtar, ermy azziaty rozali, mohd hizam hanafiah, kartini aboo talib, mohd aladib samuri, rozainee khairudin, (9).  (2021).  guidelines for conducting oral examination for dissertation/thesis.  - .  1-46. 

saiful arif bin abdullah;mohammad imam hasan reza.  (2021).  wildlife ecological connectivity for sustainable land use planning of central forest spine 2 area, peninsular malaysia.  - .  . 

najiha jaffar, nor zalina harun, saiful ariff abdullah.  (2019).  the quality of public space in supporting the social sustainability of traditional malay settlements.  - perception and aesthetics of cultural landscape in asia. 2019 acla conference.  134-136. 

saiful arif abdullah.  (2014).  penyelidikan lestari 1994-2014: di mana kedudukannya?.  - salam lestari.  . 

saiful arif abdullah.  (2001).  status dan perubahan kawasan hutan di negeri selangor darul ehsan.  - koleksi laporan penyelidikan ukm.  .