Recycled waste groundnut oil: A potential feedstock for green energy/biodiesel synthesis oleh Christian O. Asadu, Benjamin Nnamdi Ekwueme, Chinonso Anthony Ezema, Thomas O. Onah, Innocent Sunday Ike, Judith Obioma Ugwuele, Chikezie Christian Aka, Onoh Ikechukwu Maxwell, Emmanuel O. Umeagukwu, Churchill Chisom Ogbonna