Laoli, Rukun Fataya, Jeliswan Berkat Iman Jaya Gea, Serniati Zebua, and Heniwati Gulo. 2025. “Analysis of Production Optimization in Increasing Profits at UD. Tahu Nias”. Economics and Business Journal (ECBIS) 3 (6):691-700. https://doi.org/10.47353/ecbis.v3i6.262.