Mongkolsucharitkul, P., K. Sranacharoenpong, W. Kusakunniran, B. Pinsawas, S. Pornkasemsuk, and N. Sittikho. “Development of the Integrated Nutrition Learning Tools for Thai Primary School Children”. Journal of Nutrition Association of Thailand, Vol. 54, no. 2, Sept. 2019, pp. 34-45, https://he01.tci-thaijo.org/index.php/JNAT/article/view/172952.