Srimuang, T., Japa , T., & Butaka , T. (2022). The plyometric training on thigh strength in youth male volleyball players Wapipathum school Mahasarakham. Journal for Developing the Social and Community, 9(3), 615–626. retrieved from https://so03.tci-thaijo.org/index.php/rdirmu/article/view/256378