Ach. Zayul Mustain. 2021. “THE EFFECT OF FOOT STRENGTH AND SPEED TRAINING ON THE RESULTS OF THE EXTRACURICULAR ATHLETICATHLETIC LEVEL OF MTs. HIDAYATUL MUBTADI`IN BANYUWANGI DISTRICT”. International Jurnal of Education Schoolars 2 (1):20-32. https://www.jurnal.icjambi.id/index.php/ijes/article/view/87.