SAIMAT, W.; AKAKUL, T.; VONGPRASERT, J. An Operation on Development of Proactive Learning for Developing Learning Retention on “Photosynthesis” of Matthayom Suksa 5 Students at Nachaluay School under the Secondary Educational Service Area Office 29. Ubon Ratchathani Journal of Research and Evaluation, [S. l.], v. 6, n. 2, p. 11–20, 2021. Disponível em: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/251041. Acesso em: 3 oct. 2026.