Source: Dissertation Abstracts International, Volume: 80-08(E), Section: A.
Advisors: Aminu N. Brimah Committee members: Issa Abdulraheem; Ilori Bisayo; Nassir A. Brimah; Adebola Damilare; Yusuf Ismaila; Adeyemi S. Kenneth; Lawal Lawal; Abdulrahman A. Mustapha; Adebayo G. Phillips; Abu Zekeri.