Tengyee P, Rodpanya K. The comparing results of the long jump 20 meters and 30 meters that affect the distance to the long jump students of Institutions of Physical Education Phetchabun. J.TNSU [Internet]. 2018 Jan. 1 [cited 2024 May 18];10(1):77-88. Available from: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/249198