Ramadhan, Nur Rezky, and Burhan Burhan. “NUMERICAL SOLUTION OF SEIRS MODEL OF ONLINE GAME ADDICTION ON MATHMATICS STUDENTS USING HOMOTOPY PERTURBATION METHOD”. Jurnal Madako Education, vol. 8, no. 2, Aug. 2022, https://ojs.umada.ac.id/index.php/jme/article/view/240.