Abdillah, R., and I. Kurniawan. “TINJAUAN ANALISIS APLIKASI PEMBELAJARAN PERANGKAT LUNAK DARI SUDUT PANDANG GAMIFIKASI”. Indonesian Journal Of Education and Humanity, vol. 1, no. 1, Feb. 2021, pp. 42-48, https://ijoehm.rcipublisher.org/index.php/ijoehm/article/view/6.