PINTHONG, Metta, Nattha BUNLUM, and Weerawat LIMROONGREUNGRAT. 2015. “EFFECT OF HURDLE HEIGHTS ON JUMPING MECHANICS IN YOUTH MALE SOCCER PLAYERS”. Journal of Sports Science and Technology 15 (1):9-16. https://he01.tci-thaijo.org/index.php/JSST/article/view/44110.