Weny Lestari Sinaga, and Candraningrat. “Strategi Bisnis Waterpark PTC Jayapura Dalam Meningkatkan Keuntungan Usaha”. Economic Reviews Journal 3, no. 3 (September 2, 2024): 2083 –. Accessed September 20, 2025. https://www.mes-bogor.com/journal/index.php/mrj/article/view/312.