Pongsa, Pongsa, Ratree RUANGTHAI, and Phornphon PHIMPHAPHORN. 2015. “THE EFFECT OF POST ACTIVATION POTENTIATION WARM UP ON SPEED AND H-REFLEX”. Journal of Sports Science and Technology 15 (2):123-32. https://he01.tci-thaijo.org/index.php/JSST/article/view/44941.