Sihotang, D. A., Lubis, M. S., & Warjio, W. (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), 12796-12802. https://doi.org/10.31538/iijse.v9i2.9579