Ratchaponsit, K., Iemjinda, M., & Sithsungnoen, C. (2020). The Development of Instructional Model Based on Constructivism Theory for Thai Language Student Teachers for Enhancing Lower Secondary Students’ Attentively. Phuket Rajabhat University Academic Journal, 15(2), 99–111. retrieved from https://so05.tci-thaijo.org/index.php/pkrujo/article/view/242197