“Optimasi Biaya Distribusi Brownies Amanda Samarinda Dengan Metode North West Corner Dan Stepping Stone”. Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika 8, no. 4 (October 14, 2025): 1040–1047. Accessed March 2, 2026. https://e-journal.my.id/proximal/article/view/6994.