text Jakarta Agency for Agriculture Research and Development 1990 26 p. ill ; 29 cm + Lampiran COMMUNICATION KOMUNIKASI 63.001.5 63.001.5 INLIS000000000004787 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)