farmer innovation and Agricultural research text London Intermediate Technology Pub. 1989 xx, 218p; ill; 23 cm AGRICULTURE RESEARCH FARMERS INNOVATION 63.001.5 63.001.5 INLIS000000000005818 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)