Cokki, Cokki, Haris Maupa, Wanstum Wanstum, & Syarifuddin Sulaiman. " Gacha Addiction and In-App Purchases: A Study on Genshin Impact Players in Indonesia." Matrik : Jurnal Manajemen, Strategi Bisnis, dan Kewirausahaan [Online], (2025): 20 - 32. Web. 14 Oct. 2025