HUTABARAT, Metyria Imelda; JUNAIDI, Junaidi; SALEH SITOMPUL. Pelatihan Perhitungan Harga Pokok Produksi Bagi Usaha Raja Burger dan Kebab. Joong-Ki : Jurnal Pengabdian Masyarakat, [S. l.], v. 2, n. 2, p. 386–391, 2023. DOI: 10.56799/joongki.v2i2.1663. Disponível em: http://al-haramjournal.co.id/Joong-Ki/article/view/1663. Acesso em: 7 aug. 2026.