“Pendampingan Penentuan Harga Pokok Produksi (HPP) Dan Harga Jual Pada UMKM Kecamatan Medan Amplas ”. Jurnal Pengabdian West Science 3, no. 12 (December 31, 2024): 1267–1276. Accessed June 5, 2025. https://wnj.westsciences.com/index.php/jpws/article/view/1746.