THODASA, F. The Development of Problem Solving Skills and Learning Achievement by Problem-Based Learning Combined with KWL Technique for the 1st-Year Vocational Certificate Students. Journal of Modern Learning Development, [S. l.], v. 9, n. 11, p. 19–35, 2024. Disponível em: https://so06.tci-thaijo.org/index.php/jomld/article/view/278181. Acesso em: 17 sep. 2026.