Article · Journal · 2010
E. E. Williams, Stephen S. Akpan, Thomas Adidaumbe Ugbe, Ethelbert Nduka
Journal of Mathematics Research
Read it10.5539/jmr.v2n4p19
as printed: S. S. Akpan
as printed: T. A. Ugbe
as printed: E. C. Nduka
A work can sit in several, each with a score