Somphong, Jureeporn, Adisorn Naowanondha, and Wasana Keeratichamroen. “A Study of Learning Achievement on Material Learning Unit and Satisfaction of the Third Grade students Using Infusion Integrated Instruction”. Ratchaphruek Journal 13, no. 1 (April 30, 2015): 88–94. accessed August 26, 2026. https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/240952.