CHAROONTHAM, O. The Effect of the Instruction by Project Based Learning (PBL) on the Student’s Achievement in Science Subject and Problem-Solving ability of Secondary School Students. Journal for Developing the Social and Community , Bangkok, Thailand, v. 7, n. 1, p. 225–240, 2020. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/245101. Acesso em: 13 oct. 2026.