L. Sianipar, M. R. Tampubolon, A. F. Polak, S. E. SUWU, and I. A. W. Chrismastianto, “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, vol. 7, no. 1, pp. 16–29, Jan. 2025.