D. Jaengsewang, P. Phisphumvidhi, K. Sintara, and C. Nakanakupt, “The Study of Body Composition, Muscle Strength and Flexibility of Novices in Phrapariyattidhamma School, Secondary Education Section, Sing Buri Province”, TH. J. of Health Edu., vol. 43, no. 2, pp. 165–178, Nov. 2020.