Hartono Hadjarati, and Arief Ibnu Haryanto. “DIFFERENCES OF THE INFLUENCE OF SERVICE TRAINING MODELS ON THE ACCURACY OF TAKRAW FOOTBALL FLASH SERVICES”. European Journal of Humanities and Educational Advancements, vol. 2, no. 11, Nov. 2021, pp. 7-11, https://scholarzest.com/index.php/ejhea/article/view/1369.