Sima, D., and S. Sahliah. “Analysis of the Uncertainty of Basic Wages in the Employment Agreement of PT X from the Perspective of Law No. 13 of 2003 on Manpower and DSN-MUI Fatwa No. 112/DSN-MUI/IX/2017”. LEGAL BRIEF, vol. 14, no. 3, Aug. 2025, pp. 789-98, https://legal.isha.or.id/index.php/legal/article/view/1399.