Tobing, N. and Nainggolan, C.B. 2020. Penerapan Model Pembelajaran Berbasis Proyek dalam Meningkatkan Motivasi Belajar Siswa di Kelas VIII [The Implementation of the Project-Based Learning to Improve the Grade VIII Students’ Learning Motivation]. Diligentia: Journal of Theology and Christian Education. 2, 2 (May 2020), 82–100. DOI:https://doi.org/10.19166/dil.v2i2.2216.