Satriyo R, Anistyasari Y. STUDI LITERATUR PROSES PEMBELAJARAN VIRTUAL LEARNING BERBASIS GAMIFIKASI DI ERA REVOLUSI INDUSTRI 4.0. IT-EDU [Internet]. 30Dec.2020 [cited 5May2024];5(01):195-16. Available from: https://ejournal.unesa.ac.id/index.php/it-edu/article/view/37413