Panjaitan, Elisabeth Stevani. “Offering in the HKBP Church Liturgy: Examining the Essence of Giving through Cashless Transactions”. Collecta: Journal of Theology and Christian Tradition 2, no. 1 (March 30, 2025): 19–37. Accessed August 24, 2026. https://jurnal.stt-hkbp.ac.id/index.php/jtct/article/view/76.