ACKNOWLEDGEMENT

We

are sincerely

indebted to

Almig

hty Allah

for endowing

us w

ith

wisdom, knowled

ge, strength, and

g

race that enabled us to carry

out this noble work s

uccessfu

lly.

Our s

pecial thanks go

t

o our peer reviewers; Prof.

Sirajo Abdulraha

man, Dr. N

ma Al

iyu Ibrahim, Auwalu Haruna and Associate Prof. Hassan Ahmed for their constructive criticism, and comments, which built us up academically. May Allah reward them abundantly.

We appreciate the Provost Prof. Yakubu Muhammad Auna and his management team for their kindness, love, and hospitality towards us.

Thanks also to our families and friends for their contribution. Thank you all.