Sofiyanto, S., Yulianto, T. and Faisol, F. (2021) “Penerapan Metode Goal Programming Dalam Mengoptimalkan Pendistribusian Gas LPG di SPPBE Tlanakan”, Zeta - Math Journal, 6(2), pp. 48–53. doi: 10.31102/zeta.2021.6.2.48-53.