CHEN W, TAN NYL, LOOI C-K, ZHANG B, SEOW PSK. HANDHELD COMPUTERS AS COGNITIVE TOOLS: TECHNOLOGY-ENHANCED ENVIRONMENTAL LEARNING. RPTEL [Internet]. 2008 Nov. 1 [cited 2024 May 16];3(3):231-52. Available from: https://rptel.apsce.net/index.php/RPTEL/article/view/2008-03008