Pengmod, Patchareeya, Thawuth Pluemsamran, and Jaruwat Sattayanuruk. (2022) 2022. “EFFECTS OF OVER-HAND SERVE TRAINING PROGRAM WITH SELF-TALK AND CONCENTRATION AFFECTING VOLLEYBALL SERVING ACCURACY”. Journal of Faculty of Physical Education 25 (1). Nakhon Nayok, Thailand:25-35. https://he03.tci-thaijo.org/index.php/peswuJ/article/view/434.