TONG, D. H.; LOC, N. P. .; UYEN, B. P. .; GIANG, L. T. . Developing the Competency of Mathematical Modelling: A Case Study of Teaching the Cosine and Sine Theorems. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 18, n. 11, p. 18–37, 2019. Disponível em: http://www.ijlter.net/index.php/ijlter/article/view/437. Acesso em: 1 may. 2026.