@BOOKLET {ABDOULAYE:2014b, title = {Results of a global online expert survey: major constraints, opportunities, and trends for yam production and marketing and priorities for future RTB yam research. RTB working paper 2014-4}, author = {Abdoulaye, T. and Alene, A. and Rusike, J. and Akinola, A. }, year = {2014}, address = {Lima, Peru}, howpublished = {RTB working paper 2014-4}, note = {RTB; Yam; 44p.; WAHub; SAHub; ISSN: 2309-6586}, url = {www.rtb.cgiar.org}, }