Friskawati GF, Widaningsih S, Illahi R. Observing student’s situational interest based on the implementation of reward and punishment in physical education. SPORTIF [Internet]. 2019Sep.26 [cited 2024Apr.24];5(2):198-14. Available from: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/12933