LE, Thi Mao Thao. Applying the didactical situations theory in teaching recurrence relations for vocational college students. Dong Thap University Journal of Science, [S. l.], n. 33, p. 29–34, 2018. Disponível em: https://dthujs.vn/index.php/dthujs/article/view/618. Acesso em: 19 sep. 2024.