Giap, Lim Soo, and Ong Sheau Fen. “Effectiveness of a Romanised Mandarin Web-Based Instruction in Teaching Writing and Reading Skills at Word Level for Non-Native Learners”. Journal of Social and Development Sciences, vol. 2, no. 5, Nov. 2011, pp. 243-8, https://doi.org/10.22610/jsds.v2i5.674.