Syahrial Arif Hutagalung, Gatot Teguh Arifyanto, Fauzan Ghafur, Rika Githamala Ginting, and Yessi Kurnia Arjani Manik. 2025. “Islamization in Haminjon: A Study of Business Morality in Batak Entrepreneurial Networks”. Bulletin of Indonesian Islamic Studies 4 (2), 445-61. https://doi.org/10.51214/biis.v4i2.1571.