@ARTICLE {LAMBRECHT:2015, title = {Ex ante appraisal of agricultural research and extension: a choice experiment on climbing beans in Burundi}, author = {Lambrecht, I. and Vranken, L. and Merckx, R. and Vanlauwe, B. and Maertens, M. }, journal = {Outlook on Agriculture}, year = {2015}, volume = {44}, number = {1}, pages = {61--67}, issn = {0030-7270}, note = {CAHub}, doi = {10.5367/oa.2015.0199}, }