Loc, Nguyen Phu, and Bui Phuong Uyen. 2015. “Using Analogical Reasoning in Teaching Mathematics: A Survey of Mathematics Teachers at Secondary Schools in the Mekong Delta ”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 21 (1): 91-100. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/3570.