Balai Pengkajian Teknologi Pertanian Sumatera Utara Akmal Siti Suryani Sri Romaito Didik Harnowo Perdinanta Sembiring text Medan Akmal Siti Suryani Sri Romaito Didik Harnowo Perdinanta Sembiring 2011 v,112hlm : ilus.; 25 cm Balai Pengkajian Teknologi Pertanian Sumatera Utara Balai Pengkajian Teknologi Pertanian Sumatra Utara 633.18 633.18 BAL d 240820 20240820113854 INLIS000000000002852 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)