by Dauda , Sulaiman Alhaji, Muhammad , Tijjani, Mamman , Dani
Published in Uluslararası İslam ekonomisi ve finansı araştırmaları dergisi (01.01.2018)

by Muhammad, Tijjani, Mamman, Dani
Published in International journal of innovative research and development (30.11.2017)

by Mamman, Dani, Ibrahim, S. Y.
Published in International journal of research - granthaalayah (31.07.2017)