POWER FOR VOLUTION BALL EXTRACURRICULAR PARTICIPANTS IN SMA NEGERI 1 MANDAU : POWER FOR VOLUTION BALL EXTRACURRICULAR PARTICIPANTS IN SMA NEGERI 1 MANDAU . JIO JURNAL [Internet]. 2023 Jun. 28 [cited 2025 Sep. 14];2(02):157-71. Available from: https://jio.inspiree.review/ojs/index.php/jio/article/view/52