PHAM, Thi Tran Chau; VO, Duc Thinh; NGO, Thi Kim Yen; TRAN, Thuy Hoang Yen. The level-set method combined with Desmos software to orient the solution of inequality problems. Dong Thap University Journal of Science, [S. l.], v. 11, n. 1, p. 3–11, 2022. DOI: 10.52714/dthu.11.1.2022.919. Disponível em: https://dthujs.vn/index.php/dthujs/article/view/185. Acesso em: 8 sep. 2024.