1. Australian Broadcasting Corporation. (2000). What's it all about? APEC Youth Science Festival. Retrieved from www.abc.net.au/science/singapore/what.htm.
2. Bolton, K., Kathpalia, S., See, E. K., De Souza, D. E., Lam, S. T.-E., Leong, A. and Ong, K. (2018a). HW0128 Scientific Communication 1: Student's Course Guide (second edition). The Language Communication Centre, Nanyang Technological University. Singapore: Routledge.
3. Bolton, K., Kathpalia, S., See, E. K., De Souza, D. E., Lam, S. T.-E., Leong, A. and Ong, K. (2018b). HW0228 Scientific Communication 2: Student's Course Guide. The Language Communication Centre, Nanyang Technological University. Singapore: Routledge.
4. Brown, D. (2000). Contemporary nationalism: Civic, ethnocultural and multicultural politics. London: Routledge.
5. Attitudes towards science of intellectually gifted and mainstream upper primary students in Singapore;Caleon;Journal of Research in Science Teaching,2008