LE, Ngo Nhat Huy; LE, Trung Hieu. Using Casio Fx-580vn X to support solving some types of mathematical analysis problems in grade 12. Dong Thap University Journal of Science, [S. l.], n. 38, p. 26–33, 2019. DOI: 10.52714/dthu.38.6.2019.695. Disponível em: https://dthujs.vn/index.php/dthujs/article/view/403. Acesso em: 16 sep. 2024.