Muttaqin, M. S., Putri, S. M., Nurlailah, N., Susilowati, S., & Supriyanto, S. (2026). Service Quality of Distributors in the Islamic Perspective (A Study on Retail Consumers in Air Hitam Village, North Sumatra). Sahwahita: Community Engagement Journal, 3(1), 14–21. https://doi.org/10.69965/sahwahita.v3i1.224