Salsabila Yusup, Aura, and Ima Rohimah. “PROFIT OPTIMIZATION AND RAW MATERIAL COST MINIMIZATION IN LAUNDRY BUSINESS USING BRANCH AND BOUND AND PENALTY METHODS”. Barometer, vol. 11, no. 1, Jan. 2026, pp. 41-48, doi:10.35261/barometer.v11i1.13177.