NAPHUN, Y.; WATCHANA, U. The development of learning achievement using the experiment package on separation of substances among Matthayomsuksa 2 students of Matthayom Watsuttharam School. Journal of Modern Learning Development, [S. l.], v. 9, n. 2, p. 73–86, 2024. Disponível em: https://so06.tci-thaijo.org/index.php/jomld/article/view/264534. Acesso em: 16 apr. 2025.