Difference on Cefoxitin and Oxacillin Disk Test on In Vitro MRSA Detection (Meticillin Resistant Staphylococcus aureus) Experimental Study on Microbiology Laboratorium of Medicine Faculty of UNISSULLA - Mustikawati, Hana Tiyas (Fakultas Kedokteran, Universitas Islam Sultan Agung (UNISSULA), 2015)