Hutabarat, Metyria Imelda, Junaidi Junaidi, and Saleh Sitompul. “Pelatihan Perhitungan Harga Pokok Produksi Bagi Usaha Raja Burger Dan Kebab”. Joong-Ki : Jurnal Pengabdian Masyarakat 2, no. 2 (May 16, 2023): 386–391. Accessed May 12, 2026. https://www.ulilalbabinstitute.id/index.php/Joong-Ki/article/view/1663.