Andriani, Poppy, and Hendra Cipta. “Optimasi Biaya Distribusi Kusen Pintu Menggunakan Model Transportasi Northwest Corner Method, Russel Approximation Method, Dan Stepping Stone”. JURNAL MEDIA INFORMATIKA BUDIDARMA, vol. 7, no. 1, Jan. 2023, pp. 58-65, doi:10.30865/mib.v7i1.5224.