PRASETYO, YUDIK, SISWANTOYO SISWANTOYO, y ZIKRI MUHAMMAD. 2020. «Physical Fitness Modelling and Sports Motivation for Prospective Pilgrims in Yogyakarta, Indonesia.». Utopía Y Praxis Latinoamericana 25 (1), 31-46. https://www.produccioncientificaluz.org/index.php/utopia/article/view/34355.