A Comparative Study of A Mandarin Module: Web-based Learning Versus Conventional Instruction. - Bing Hiong Ngu; Jing Jing Kee (J. Chin. Lang. Comput., 2003)

Evaluating a CALL software on the learning of English prepositions. - Bing Hiong Ngu; Soubakeavathi Rethinasamy (Comput. Educ., 2006)