Syahrial Arif Hutagalung, Gatot Teguh Arifyanto, Fauzan Ghafur, Rika Githamala Ginting, & Yessi Kurnia Arjani Manik. (2025). Islamization in Haminjon: A Study of Business Morality in Batak Entrepreneurial Networks. Bulletin of Indonesian Islamic Studies, 4(2), 445-461. https://doi.org/10.51214/biis.v4i2.1571