A. A. Smaragdina, A. M. Nidhom, D. U. Soraya, G. D. K. Ningrum, and M. I. Akbar, “Educational Platformer Game (OOP-EduGame) to Enhance Student Motivation and Understanding in the Object Oriented Programming Subject”, Int. J. App. B. Inf. Systems, vol. 4, no. 2, pp. 132–141, Jun. 2021.