Pengaruh gumboro terhadap produksi telur dan titer kekebalan ayam petelur komersial text 1996 Prosiding Temu Ilmiah Nasional Bidang Veteriner. Bogor. 12 - 13 Maret 1996. p.114-117. Parede, Lies; Ronohardjo, Purnomo; Indriani, Risa; Kusmaedi(Balai Penelitian Veteriner, Bogor (Indonesia)). ARTVET0784 ARTVET0784 250109 20250109105141 INLIS000000000016254 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)