ANALISIS OPTIMASI  KEUNTUNGAN PENJUALAN UMKM BERBASIS QM FOR WINDOWS MENGGUNAKAN METODE SIMPLEKS. JEBI [Internet]. 2026 Jul. 3 [cited 2026 Jul. 4];4(3):258-67. Available from: https://ecosemica.net/index.php/ECONOMICA/article/view/1228