Adoption and Ex‐post Impacts of Improved Cowpea Varieties on Productivity and Net Returns in Nigeria

@inproceedings{Manda2019AdoptionAE,
  title={Adoption and Ex‐post Impacts of Improved Cowpea Varieties on Productivity and Net Returns in Nigeria},
  author={Julius Manda and Arega D. Alene and Adane Hirpa Tufa and Tahirou Abdoulaye and Alpha Y. Kamara and Olusoji Olufajo and Ousmane Boukar and Victor M. Manyong},
  year={2019}
}