Herdiana, Herdiana, and Imron Rosyadi. “Spiritual Business Communication Model: Integration of Trust and Brotherhood in Sharia Cooperatives”. Daengku: Journal of Humanities and Social Sciences Innovation 5, no. 6 (December 31, 2025): 771–781. Accessed April 17, 2026. https://jurnal.ahmar.id/index.php/daengku/article/view/4496.