Rahayuningsih T, Susanti AE. PENERAPAN METODE GAMIFICATION UNTUK MENINGKATKAN KERJASAMA SISWA DI DALAM KELOMPOK KELAS X-4 DI SALAH SATU SMA KRISTEN DI TANGERANG [IMPLEMENTATION OF GAMIFICATION METHOD TO IMPROVE STUDENT COOPERATION IN GROUP OF CLASS X-4 IN ONE OF CHRISTIAN HIGH SCHOOLS IN TANGERANG]. KAIROS [Internet]. 2022 Feb. 1 [cited 2025 Feb. 5];2(1):40-56. Available from: https://ojs.uph.edu/index.php/KAIROS/article/view/2899