Nugroho, A. (2024) “SPORT DEVELOPMENT INDEX (SDI) IN LANGKAT DISTRICT”, Gladi : Jurnal Ilmu Keolahragaan, 15(02), pp. 221–231. Available at: https://journal.unj.ac.id/unj/index.php/gjik/article/view/45884 (Accessed: 9 April 2025).