Gebremeskel, Haileslassie, et al. “Growth and Yield Response of Sweet Potato (Ipomoea Batatas L. Lam) Varieties to Lowland Agro-Ecology of Raya Azebo, Ethiopia”. Agriculture and Food Sciences Research, vol. 5, no. 2, Apr. 2018, pp. 52-56, doi:10.20448/journal.512.2018.52.52.56.