Dewi, Septaliza. “SURVEY OF THE PHYSICAL FITNESS OF MENTALLY RETARDED CHILDREN”. JIPES - JOURNAL OF INDONESIAN PHYSICAL EDUCATION AND SPORT 7, no. 01 (June 26, 2021): 69-75. Accessed April 30, 2025. http://103.8.12.212:33180/unj/index.php/jipes/article/view/20994.