O.S. Olokode, S.O. Fakolujo, P.O. Aiyedun, Z.O. Jaji, F.T. Owoeye, & B.U. Anyanwu. (2021). Experimental Study on the Morphology of Keratin Based Material for Asbestos Free Brake Pad. Journal of Basic & Applied Sciences, 8(2), 302–308. https://doi.org/10.6000/1927-5129.2012.08.02.08