KONFIRMASI AVIAN PARAMYXOVIRUS TIPE 1 (APMV-1) SECARA HISTOPATOLOGIS, SEROLOGIS, DAN MOLEKULER (Confirmation of Avian Paramyxovirus Tipe 1 (APMV-1) Infection by Histopathology, Serology, and Molecular Method) - Agung Arta Putra, I Gusti (Syiah Kuala University, 2016)