text Jakarta Indonesia German Technical Cooperation 1979 ind viii, 69 lembar : ilus.; 30 cm. Hamin Wahsulfallah...et al. Ekonomi Pertanian I Wahsulfallah 338.1 20130212125928.0 YOGYA-02130000000413 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)