Ir. Simon P. Ginting, MSc (Ketua) text Sumatera Utara Sub Balai Penelitian Ternak Sungei Putih 1993 Volume 1 No. 3, April 1993 48 hlm. : tab. ; 25 cm Kepala Sub Balai Penelitian Ternak, Sungei Putih, Sumatera Utara Jurnal Penenlitian Peternakan Sungei Putih 635 635 DRS j 0854-0586 20250804114057 INLIS000000000004328 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)