Bunnag, A., P. Sangperm, W. Jungsomjatepaisal, Y. Pongsaranunthakul, and K. Krongthammachart. “The Effect of School Lunch Program on Nutritional Status of Overweight Adolescents in Public Schools”. Nursing Science Journal of Thailand, vol. 31, no. 4, Dec. 2014, pp. 67-76, https://he02.tci-thaijo.org/index.php/ns/article/view/26521.