Uddin, M. J. ., Rashid, M. S. U. . and Begum, M. E. A. (2020) “Adoption Impact of Improved Cowpea Variety in Selected Areas of Chattogram District of Bangladesh”, International Journal of Sustainable Agricultural Research, 7(1), pp. 44–55. doi: 10.18488/journal.70.2020.71.44.55.