NWAOGUALA, Chibuzo Nwabueze Chikezie, and Hakeem Olalekan SHITTU. 2018. “Effects of Growth Regulators and Type-Variety of Oil Palm (Elaeis Guineensis Jacq.) on Direct Organogenesis”. Notulae Scientia Biologicae 10 (2):251-58. https://doi.org/10.15835/nsb10210234.