Handikaningtyas, Tristania, Ponasari Baron Mutiara Kenya, Aditya Ramadhan, Otto Fajarianto, and Titim Nurlia. 2024. “Implementation of Problem Based Learning With Gamification Approach”. IJESS International Journal of Education and Social Science 5 (2):327-34. https://doi.org/10.56371/ijess.v5i2.364.