Ridwan A, Nurhadi FI, Yachsie BTPWB, Nasrulloh A, Rismaningsih N. The effect of the simple fitness exercise model to improve the vocational students’ physical fitness. JK [Internet]. 2023 Sep. 30 [cited 2025 Jun. 8];11(2):228-36. Available from: https://jurnal.uny.ac.id/index.php/jolahraga/article/view/64773