Aprilo, Ians, Moch. Asmawi, and James Tangkudung. 2021. “THE EFFECTIVENESS OF EXERCISE SPIN SERVE MODEL ON LAWN TENNIS BASED KINOVEA: THE EFFECTIVENESS OF EXERCISE SPIN SERVE MODEL ON LAWN TENNIS BASED KINOVEA”. JIPES - JOURNAL OF INDONESIAN PHYSICAL EDUCATION AND SPORT 7 (01):14-27. https://journal.unj.ac.id/unj/index.php/jipes/article/view/19943.