Analisis Kontribusi Keuntungan Atas Produk-Produk Pada Toko Kaca Dan Alumunium Ridho Utama Di Tenggarong (Penerapan Linear Programming Metode Simpleks) - Yudi Indrawan; Iskandar Iskandar; Syahhruddin S (JEMI is managed and published by the Management Study Program, Faculty of Economics and Business, Kutai Kartanegara University. Institutional legality is reflected in the ISSN number: 1411-9560 published by LIPI in 2003 as a manifestation of the comm, 2022)