Franco, Jack, and Fredian Simanjuntak. β€œIn-Game Purchase and Video Game Longevity: Case Study of CS2”. Innovative: Journal Of Social Science Research 3, no. 5 (November 19, 2023): 11252–11266. Accessed September 26, 2026. https://j-innovative.org/index.php/Innovative/article/view/5561.