Sipayung, Parulihan. “A Hosah Scientific-Cultural Theology of Sacred Air: Science, Simalungun Culture, and Christianity in Constructive Trialogue”. Indonesian Journal of Theology 11, no. 2 (December 26, 2023): 295-313. Accessed January 21, 2026. https://www.indotheologyjournal.org/index.php/home/article/view/362.