Wibowo, Tony, Elfan Sandriawan, and Eryc. “An Exploratory Study of Video Game Pricing in the Southeast Asian Market”. Ultima InfoSys : Jurnal Ilmu Sistem Informasi 16, no. 2 (December 30, 2025): 85–99. Accessed January 8, 2026. https://ejournals.umn.ac.id/index.php/SI/article/view/4456.