[1]
S. Basriati, E. Safitri, and D. Sartika, “Optimization of Drinking Water Distribution Costs Using Vogel’s Approximation Method (VAM) and Three Modified Methods of VAM (Case Study: Sikumbang Kampar Spring)”, Numerical: J.Mat and Pend.Mat, vol. 5, no. 2, pp. 103–114, Dec. 2021.