Dikdik Fauzi Dermawan, Hernawan, Hidayat Humaid, Firmasyah Dlis, Dhika Bayu Mahardhika, Akhmad Dimyati. “Analysis Of Hitting Softball And Baseball”. 2021. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 18, no. 4, Mar. 2021, pp. 6014-20, https://archives.palarch.nl/index.php/jae/article/view/7204.