LUMBANTOBING, H. The Effect of Interactive Computer Program on Student Accomplishment in Teaching Trigonometry. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 42, n. 3, p. 38–48, 2018. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/9393. Acesso em: 27 apr. 2024.