FACHREZZY, FAHMY. 2020. “THE STUDY CORRELATION BETWEEN ARM MUSCLE EXPLOSIVE POWER, CORE STABILITY STRENGTH AND ACHIEVEMENT MOTIVATION WITH THE SPEED OF 60 METERS RUN”. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW 6 (2). http://103.8.12.212:33180/unj/index.php/ijer/article/view/14028.