Alghifari, Izzuddin, and Rizal Edy Halim. “Factors Affecting Expectancy for Character Growth in Online Games and Their Effect on Gamers’ Loyalty”. Journal of Economics, Business, and Accountancy Ventura, vol. 22, no. 3, Feb. 2020, pp. 298-0, https://doi.org/10.14414/jebav.v22i3.1873.