Upe, Ambo. “Use of Various Concentrations of Plant Growth Regulator (PGR) of Sweet Corn on the Growth and Production of Sweet Potato (Ipomoea Batatas L.)”. International Journal of Environment, Agriculture and Biotechnology 4, no. 3 (October 10, 2019). Accessed November 25, 2024. https://journal-repository.com/index.php/ijeab/article/view/346.