soemardi text Jakarta balai pustaka 1978 id 79hlm;15x21cm Pertanian & Teknologi Yang Berkaitan 631.6 241224 20241224115149 INLIS000000000016643 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)