Bangun SY. ANALISIS SPORT DEVELOPMENT INDEX KOTA TEBING TINGGI SUMATERA UTARA TAHUN 2012. GJIK [Internet]. 2017 May 2 [cited 2024 Nov. 22];7(2):800-1. Available from: https://journal.unj.ac.id/unj/index.php/gjik/article/view/1003