Ratih Setyo Rini, et al. “OPTIMIZATION OF PAINT PRODUCT DISTRIBUTION COSTS USING THE VOGEL’S APPROXIMATION METHOD AT A NATIONAL BUILDING MATERIALS RETAIL COMPANY”. Akrab Juara : Jurnal Ilmu-Ilmu Sosial, vol. 11, no. 2, May 2026, pp. 291-00, doi:10.58487/akrabjuara.v11i2.2806.