Dhanurendra AG, Zaini A. PENGARUH GAMIFICATION DAN BRAND IMAGE TERHADAP RETENSI PELANGGAN DI PLATFORM STEAM. JAB [Internet]. 2021 Jun. 30 [cited 2025 Sep. 10];7(1):237-40. Available from: http://114.6.41.75/index.php/jab/article/view/7094