Sinabutar, Romulo. “ANALISA PENERAPAN LINEAR PROGRAMMING SIMPLEX METHOD DALAM UPAYA MEMAKSIMALKAN PENDAPATAN PERUSAHAAN”. Jurnal Ekonomis 3, no. 2 (September 28, 2017): 78-93. Accessed November 24, 2024. https://jurnal.unai.edu/index.php/jeko/article/view/511.