Biobased hybrid composite design for optimum hardness and wear resistance oleh Christian Emeka Okafor, Iweriolor Sunday, Okwuchukwu Innocent Ani, Nürettin Akçakale, Godspower Onyekachukwu Ekwueme, Peter Chukwuemeka Ugwu, Emmanuel Chukwudi Nwanna, Anthony Chinweuba Onovo