THORNPHO, T.; PANYA, P.; WORAKHAM, P. Development of Science Learning Activities on " Substance and Properties of substance" to Promote Problem Solving Skills for Sixth-grade Students. Journal for Developing the Social and Community , Bangkok, Thailand, v. 11, n. 3, p. 495–516, 2024. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/273318. Acesso em: 14 oct. 2026.