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. 

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. 

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. 

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.