Siswanto, D., Sagala, R. and Hutagalung, S. (2021) “STRENGTHS AND CHALLENGES OF CHRISTIAN TEACHING ABOUT MARRIAGE IN THE PERSPECTIVE OF GMAHK PUTRA AGUNG SURABAYA ”, VISIO DEI: JURNAL TEOLOGI KRISTEN, 3(1), pp. 127-146. doi: 10.35909/visiodei.v3i1.208.