NGUYEN, Thi Thanh Loan; TRAN, Le Nam; PHAN, Thi Hiep. Solving some elementary geometrical problems by Euclidean geometry’s methods. Social Sciences and Humanities Issue, [S. l.], v. 12, n. 3, p. 65–71, 2023. Disponível em: https://dthujs.vn/index.php/sshen/article/view/1281. Acesso em: 10 sep. 2026.