“Internal Communication Effectiveness and Employee Performance in Islamic Microfinance Institutions: A Qualitative Study of Sharia Savings and Financing Cooperatives” (2026) Professional Business Journal, 3(2), hlm. 1–27. Tersedia pada: https://jurnal.usp.ac.id/index.php/professional-bussiness-journal/article/view/238 (Diakses: 4 Juni 2026).