1.
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. IARJ [internet]. 2026 May 23 [cited 2026 Sep. 28];6(3):e293380. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/293380