Mukhlisin, Mukhlisin, and Lien Herliani Kusumah. “PERBAIKAN PRODUKTIVITAS PICKING ORDER DENGAN METODE ROUTING HEURISTIC DI GUDANG PUSAT SUKU CADANG OTOMOTIF”. Operations Excellence: Journal of Applied Industrial Engineering, vol. 10, no. 2, Sept. 2018, pp. 164-7, https://publikasi.mercubuana.ac.id/index.php/oe/article/view/3814.