Lee Chuo Hiong และ Kamisah Osman. (2015) An Interdisciplinary Approach for Biology, Technology, Engineering and Mathematics (BTEM) to Enhance 21st Century Skills in Malaysia. <i>K-12 STEM Education</i>, <i>1</i>(3 (July-September)), 137-147.Lee Chuo Hiong และ Kamisah Osman. "An Interdisciplinary Approach for Biology, Technology, Engineering and Mathematics (BTEM) to Enhance 21st Century Skills in Malaysia". K-12 STEM Education 1 (2015):137-147.Lee Chuo Hiong และ Kamisah Osman. An Interdisciplinary Approach for Biology, Technology, Engineering and Mathematics (BTEM) to Enhance 21st Century Skills in Malaysia. The Institute for the Promotion of Teaching Science and Technology (IPST), Ministry of Education:ม.ป.ท. 2015.