“ANALISIS PERBANDINGAN KINERA USAHA AYAM POTONG: PERSPEKTIF KEBUTUHAN SERTIFIKASI HALAL DI PASAR TRADISIONAL KOTA MEDAN”. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, vol. 9, no. 5, Oct. 2026, pp. 7571 – 7576, https://doi.org/10.54314/jssr.v9i5.7190.