Ilmu ternak lebah madu Sihombing, D.T.H text Yogyakarta Gadjah Mada University 2005 cet. 2 ind v, 243 hlm il 21 cm D.T.H Sihombing Lebah madu 638.16 9794204080 170309 20090604092444.0 NADAR-06090000001677 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)