Pengujian potensi vaksin Newcastle (ND) yang beredar di pasaran text 1977 BULLETIN L.P.P.H. Vol .10(15) p.18-21 RONOHARDJO, PURNOMO; SIMANDJUNTAK, Sp. J.; RADJAGUKGUK, B.P.A.(Balai Penelitian Veteriner, Bogor Indonesia). ARTVET978 ARTVET978 210730 20210730092216 INLIS000000000016448 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)