Simanjuntak, Desy Juliana, et al. “Perbandingan System Economic Order Quantity Dan Sistem Just In Time: Terhadap Efisiensi Biaya Bahan Baku Pada PT. Tricitra Agri Perdana”. Fundamental Management Journal, vol. 2, no. 1s, Jan. 2018, pp. 51-62, doi:10.33541/fjm.v2i1s.547.