text Bandung Bina Cipta 1977 Cet. 1 ind x, 160 hlm ilus 21 cm U. Samsudin S Bibliografi : hlm. 162-163 Pertanian - Penyuluhan 631.1 20090227020652.0 YOGYA-02090000003935 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)