Ardiansyah, L. and Pravesti, C.A. 2021. Development Of Monobiling Game Media To Improve Student Academic Self-Efficacy At SMA Negeri 15 Surabaya. Nusantara of Research : Jurnal Hasil-hasil Penelitian Universitas Nusantara PGRI Kediri. 8, 1 (May 2021), 14-24. DOI:https://doi.org/10.29407/nor.v8i1.15772.