Sihotang, Dami Amando, Maksum Syahri Lubis, and Warjio Warjio. 2026. “QUALITY OF EMPLOYEE SERVICE IN ISSUING CERTIFICATES OF INCOME INCOMPETENCE (SKTM) IN CEMARA VILLAGE, LUBUK PAKAM DISTRICT”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) 9 (2), 12796-802. https://doi.org/10.31538/iijse.v9i2.9579.