Woldegerima, Woldegebriel A.
Teboh-Ewungkem, Miranda I. http://orcid.org/0000-0002-0765-4969
Ngwa, Gideon A.
Funding for this research was provided by:
NSF -Directorate for Mathematical and Physical Science (DMS-1544434)
Article History
Received: 26 July 2017
Accepted: 19 April 2018
First Online: 24 May 2018