@ARTICLE {SPIELMAN:2025, title = {Policy and regulation in seed sector development for vegetatively propagated crops: insights from Kenya, Nigeria, and Vietnam*}, author = {Spielman, D. and Gatto, M. and Assfaw Wossen, T. and McEwan, M. A. and Abdoulaye, T. and Maredia, M. K. and Hareau, G. }, journal = {Agricultural Systems}, year = {2025}, volume = {229}, number = {: 104441}, pages = {1--13}, issn = {0308-521X}, note = {EAHub; Sahel Hub; Science Area SSAB; Available online 5 July 2025}, url = {https://doi.org/10.1016/j.agsy.2025.104441}, doi = {10.1016/j.agsy.2025.104441}, }