Sianipar, Lanny, et al. “Penerapan Cooperative Learning Tipe STAD, Guided Inquiry Dan Problem Based Learning Dalam Perspektif Kristen [The Implementation of STAD-Type Cooperative Learning, Guided Inquiry and Problem Based Learning in Christian Perspective]”. Diligentia: Journal of Theology and Christian Education, vol. 7, no. 1, Jan. 2025, pp. 16-29, doi:10.19166/dil.v7i1.9106.