@BOOK {FERRIS:2004, title = {Developing market information services in eastern Africa; the foodnet experience; local, national, and regional market information services: ASARECA monograph, No. 9}, author = {Ferris, S. and Robbins, P. }, series = {ASARECA monograph, No. 9}, year = {2004}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-131-241-6}, }