Acheampong, P., M. Quain, D. Appiah-Kubi, J. Osei-Adu, S. Ennin, and K. Osei. “Economics Analysis of Seed Yam Production in Aeroponic System”. Journal of Agribusiness and Rural Development, Vol. 56, no. 2, July 2020, pp. 125-32, doi:10.17306/J.JARD.2020.01290.