Friskawati, Gita Febria, Sri Widaningsih, and Rizki Illahi. “Observing student’s Situational Interest Based on the Implementation of Reward and Punishment in Physical Education”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran 5, no. 2 (September 26, 2019): 198-214. Accessed December 6, 2022. https://ojs.unpkediri.ac.id/index.php/pjk/article/view/12933.