Balai Informasi Pertanian Sumatera Utara text Medan Balai Informasi Pertanian Sumatera Utara 1994/1995 50 hlm.; 20.5 cm. Pertanian Agribisnis 630 630 BAL a 20200429014038 INLIS000000000000126 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)