G. I. Harry, J. I. Ulasi, and K. E. Rosemary, “Field Trail of F1 Population of Elite Sweet Potato (Ipomoea Batatas (L.) Lam) For Yield and Yield Related Traits in Humid Rainforest of Umudike, Southeastern Nigeria”, EJAS, vol. 11, no. 3, pp. 555–568, Jul. 2023.