harahap A, Aulia FD, Putri EA, Regar NB, Ritonga DS. Analisis Optimasi Keuntungan Produksi Keripik Singkong Menggunakan Metode Program Linear . Joecy Journal [Internet]. 2026 Jan. 26 [cited 2026 Nov. 5];6(1):5650-4. Available from: https://joecy.org/index.php/joecy/article/view/7357