Br Hombing, C. M., & Yanti, Y. (2023). Implementasi Model Pembelajaran Kooperatif untuk Meningkatkan Keaktifan Siswa Kelas IX dalam Mata Pelajaran Pendidikan Agama Kristen [The Implementation of the Cooperative Learning Model to Increase Students’ Activeness in a Grade 9 Biblical Studies Class]. Diligentia: Journal of Theology and Christian Education, 5(2), 69–87. https://doi.org/10.19166/dil.v5i2.6804