Silalahi, Destya Waty, and Bertha Natalina Silitonga. “Analisis Pedagogical Content Knowledge (PCK) Mahasiswa Pendidikan Guru SD Terhadap Materi IPA Melalui Instrument Content Representation (CoRe) Dalam Konteks Pendidikan Kristen [Analysis of Elementary Teacher Education Students’ Pedagogical Content Knowledge (PCK) on Natural Sciences Subject Matter through the Content Representation (CoRe) Instrument in the Context of Christian Education]”. Diligentia: Journal of Theology and Christian Education 7, no. 3 (September 30, 2025): 232–242. Accessed November 20, 2025. https://ojs.uph.edu/index.php/DIL/article/view/10255.