Ounnapiruk, L., V. Leelahakul, A. Bunnag, and C. Autthakornkovit. “The Effects of A Health Promotion Program on the Physical Activity in Overweight Primary School Children”. Nursing Science Journal of Thailand, vol. 29, no. 2, June 2011, pp. 15-26, https://he02.tci-thaijo.org/index.php/ns/article/view/2805.