Tafida, I., and Sani, M. “ANALYSIS OF ADOPTION OF THE USAID/IITA IMPROVED COWPEA PRODUCTION TECHNOLOGIES IN KATSINA STATE, NIGERIA”. Journal of Agripreneurship and Sustainable Development, vol. 3, no. 2, June 2020, pp. 145-54, doi:10.59331/jasd.v3i2.129.