@INPROCEEDINGS {VERSTEEG:1994, title = {Effective participatory research involving farmers, nongovernmental organizations, national agricultural research systems, and International agrcultural reseach systems, to improve food security in northern Benin}, author = {Versteeg, M. and Adanguidi, J. and Djenotin, J. and Nonfon, R. }, booktitle = {International Symposium on Systems-Oriented Research in Agriculture and Rural Development, 21-25 November 1994, Montpellier, France}, year = {1994}, pages = {274--275}, publisher = {CIRAD; SAR}, address = {Montpellier, France}, }