TY - BOOK AU - De Boef, W.S TI - Participatory tools working with crops, varieties and seeds: A Guide for professionals applying participatory approaches in agro biodiversity management, crop improvement and seed section development SN - 9789070785161 AV - S494.5.A43.B6 2007 PY - 2007/// CY - Wageningen PB - wageningen internernational KW - Agrobiodiversity ER -