choong c.y., dg fazrinah a.d., muhamad amirul ashraf a.a., chung a.y.c., maryati m..  (2020).  diversity of odonata species at kangkawat, imbak canyon, sabah.  - journal of tropical biology and conservation.  1-10. 

binoy kurian, a.s. hemanthakumar, joemon jacob, wickneswari ratnam, c.y. choong, prabalee sarmah, s. shefeek, vishnu v. nair, s. v. sajithkumar, k.k. sabu.  (2020).  intraspecific genetic variability, differentiation and evolutionary relationships revealed through microsatellite loci in seven economically important calamus species.  - journal of forestry research.  1899-1911. 

rory a. dow, quoc toan phan & chee yen choong.  (2020).  protosticta joepani sp. nov. from borneo with notes on p. kinabaluensis laidlaw, 1915 (odonata: zygoptera: platystictidae).  - zootaxa.  371-387. 

choong c.y..  (2019).  odonata fauna of pulau pangkor, perak, peninsular malaysia.  - the malaysian forester.  271-276. 

choong, c.y. & chung, a.y.c..  (2019).  odonata fauna of imbak canyon conservation area, sabah.  - journal of tropical biology and conservation.  1-8. 

choong, c.y., alwen, b.m. & tan, c.c..  (2018).  odonata (insecta) fauna of taman negara national park, malaysia.  - serangga.  . 

rory a. dow, chee yen choong & yong foo ng.  (2018).  re-description of coeliccia erici laidlaw, and the description of coeliccia sameerae sp. nov. from peninsular malaysia (odonata: zygoptera: platycnemididae).  - zootaxa.  . 

mohd hafifi hashim, mushrifah idris, yosni bakar and c.y. choong.  (2018).  genetic relationships of hemibagrus nemurus in tasik chini biosphere reserve based on d-loop sequences.  - malayan nature journal.  55-65. 

hamidun bunawan, choong chee yen, salmah yaakop & normah mohd noor.  (2017).  phylogenetic inferences of nepenthes species in peninsular malaysia revealed by chloroplast (trnl intron) and nuclear (its) dna sequences.  - bmc research notes.  1-6. 

rory a. dow, chee yen choong & yong foo ng.  (2017).  drepanosticta rahmani sp. nov., from kedah, malaysia (odonata: zygoptera: platystictidae).  - zootaxa.  44-50. 

sri a`jilah samsir, hamidun bunawan, choong chee yen, normah mohd noor.  (2016).  dataset of fourier transform-infraredcoupled with chemometric analysis used to distinguish accessions of garcinia mangostana l. in peninsular malaysia.  - data in brief.  1-5. 

sri a`jilah samsir, hamidun bunawan, choong chee yen & normah mohd noor.  (2016).  dataset of ssr markers for the issr-suppression-pcr to detect genetic variation in garcinia mangostana l. in peninsular malaysia.  - data in brief.  1438-1442. 

choong, c.y..  (2016).  leptogomphus tioman sp. nov. (odonata: anisoptera: gomphidea) from tioman island, peninsular malaysia.  - zootaxa.  382-388. 

choong c.y. & wickneswari r..  (2016).  sexing in rattans.  - malaysian applied biology.  1-10. 

dow, r.a. & choong, c.y..  (2015).  mortonagrion megabinluyog spec. nov. from brunei (odonata: zygoptera: coenagrionidae).  - zootaxa.  89-93. 

pang, s.l., ong, s.s., lee, h.h., zamri, z., kandasamy, k.i., choong, c.y. and wickneswari, r..  (2014).  isolation and characterization of ccoaomt in the interspecific hybrid of acacia auriculiformis x acacia mangium - a key gene in lignin biosynthesis.  - genetics and molecular research.  7217-7238. 

ng, c.y., wickneswari, r. and choong, c.y..  (2014).  identification of floral genes for sex determination in calamus palustris griff. by using suppression subtractive hybridization.  - genetics and molecular research.  6037-6049. 

a. sukganah, c. y. choong, j. russell, d. neale, r. wickneswari.  (2013).  nucleotide sequence analysis of two lignin genes in acacia auriculiformis × acacia mangium hybrid for enhancement of wood pulp quality.  - tree genetics and genomes.  9(5):1369-1381. 

han chern loh, pek yee tang, shiau foon tee, tze jen chow, chee yen choong, shen yang lim and hoi sen yong.  (2013).  neuregulin-1 (nrg-1) and its susceptibility to schizophrenia: a case-control study and meta-analysis.  - psychiatry research.  208(2):186-188. 

nery sofiyanti and choong chee yen.  (2012).  morphology of ovule, seed and pollen grain of rafflesia r. br. (rafflesiaceae).  - bangladesh journal of plant taxonomy.  19(2):109-117. 

s.y.c. yong, c.y. choong, p.l. cheong, s.l. pang, r. nor amalina, j.a. harikrishna, m.n. mat isa, p. hedley, l. milne, r. vaillancourt, r. wickneswari.  (2011).  analysis of ests generated from inner bark tissue of an acacia auriculiformis x acacia mangium hybrid.  - tree genetics and genomes.  7(1):143-152. 

hamidun bunawan, chee yen choong, badrul munir md-zain, syarul nataqain baharum and normah mohd noor.  (2011).  molecular systematics of polygonum minus huds. based on its sequences.  - international journal of molecular sciences.  7626-7634. 

y. f. ng, r. a. dow, and c. y. choong.  (2011).  new records of odonata (insecta) from the cameron highlands, with first records of two species for malaysia.  - journal of science and technology in the tropics.  7:9-16. 

rory a. dow, chee yen choong & yong foo ng.  (2010).  a review of the genus amphicnemis in peninsular malaysia and singapore, with descriptions of two new species (odonata: zygoptera: coenagrionidae).  - zootaxa.  2605:45-55. 

fadilawati, a., choong, c.y., ng, y.f. and zainal-abidin, b.a.h..  (2010).  male anisopteran odonata secondary gentalia: variation among libellulidae genera from tasik chini pahang, malaysia.  - malaysia journal of micorscopy.  6:131-136. 

rory a. dow, chee yen choong, yong foo ng.  (2010).  elattoneura mauros sp. nov. (odonata: zygoptera: protoneuridae) from sarawak, malaysian borneo.  - zootaxa.  2502: 65-68. 

choong cy, orr ag.  (2010).  the larva of podolestes orientalis from west malaysia, with notes on its habitat and biology (odonata: megapodagrionidae).  - international journal of odonatology.  13(1):109-117. 

kalkman, vj; choong, cy; orr, ag; schutt, k.  (2010).  remarks on the taxonomy of megapodagrionidae with emphasis on the larval gills (odonata).  - international journal of ondotology.  13(1):119-135. 

kalaivani nadarajah, leong shang jye, choong chee yen and wickneswari ratnam.  (2009).  identification of floral ests from calamus manan inflorescence library.  - biosciences, biotechnology research asia.  6(1):7-16. 

choong, c.y., wickneswari, r. and fatimah, s..  (2009).  survival and sex ratio of a planted rattan calamus palustris griff. population: implication to seed production and management.  - journal of biological sciences.  9(6):633-636. 

k.nadarajah,c.y,.choong,s.j.leong and r.wickneswari.  (2009).  functional prediction of calamus manan inflorescence ests through motif detection.  - biotechnology.  8(3):329-342. 

c.y. choong, r. wickneswari, m. norwati, r.j. abbott.  (2008).  phylogeny of hopea (dipterocarpaceae) inferred from chloroplast dna and nuclear pgic sequences.  - molecular phylogenetics and evolution.  48:1238-1243. 

lee k.s., wickneswari r. and choong c.y.  (2007).  stand structure and the genetic diversity of koompassia malaccensis and dryobalanops aromatica in unlogged and logged-over stands..  - sains malaysiana.  36(2):233-242.