Sudrajat, Hamdani Aris. “Penentuan Lokasi Kantor Cabang Laboratorium Lingkungan Hidup Menggunakan Metode Center of Gravity Di Provinsi Jawa Barat”. Operations Excellence: Journal of Applied Industrial Engineering 11, no. 1 (March 20, 2019): 81–89. Accessed June 4, 2026. https://publikasi.mercubuana.ac.id/index.php/oe/article/view/5072.