SAKULDEE, P.; PUTTIRUNGROJ, C.; AREERAKSAKUL KONGLOK, S. The Effects of Problem-Based Learning on Mathematical Problem-Solving Abilities and Mathematical Learning Achievement in Basic Mathematics for Careers among First-Year Vocational Certificate Students at Hat Yai Technical College, Songkhla Province. Interdisciplinary Academic and Research Journal , Maha Sara Kham, TH., v. 6, n. 3, p. e293380, 2026. DOI: 10.60027/iarj.2026.e293380. Disponível em: https://so03.tci-thaijo.org/index.php/IARJ/article/view/293380. Acesso em: 1 oct. 2026.