Telaumbanua, Kristian, and Mhd. Fadhlan Daulay. “Pemodelan Proses Bisnis Aplikasi Pendakian Gunung Berbasis Mobile”. Jurnal Syntax Admiration 3, no. 3 (March 24, 2022): 506-518. Accessed May 18, 2024. https://jurnalsyntaxadmiration.com/index.php/jurnal/article/view/400.