@incollection{, CFA8FBB8834D7051A4B3EE0452609C78 , author={{Christian KwakuAmuzuvi} and {EmmanuelEffah} and {Christian KwakuAmuzuvi} and {University of Mines and Technology, Tarkwa, Ghana}}, journal={{Global Journal of Computer Science and Technology}}, journal={{GJCST}}0975-41720975-435010.34257/gjcst, address={Cambridge, United States}, publisher={Global Journals Organisation}1424752 } @book{b0, , title={{Computer Networks, Fourth Edition}} , author={{ ASTanebaum }} , year={2003} , publisher={Prentice Hall} } @book{b1, , title={{3G Wireless Networks}} , author={{ DCollins } and { CSmith }} , year={2001} , publisher={McGraw-Hill} , address={New York} } @incollection{b2, , title={{Perspectives on the Effects of Harmattan on Radio Frequency Waves}} , author={{ DDajab }} , journal={{J. Appl. Sci. Res}} 2 11 10141018 , year={2006} } @incollection{b3, , title={{Pollution Synergy from Particulate Matter Sources: The Harmattan, Fugitive Dust and Combustion Emissions in Maiduguri Metropolis}} , author={{ GADimari } and { ONMaitera } and { MWaziri } and { SS&hati }} , journal={{Nigeria. European Journal of Scientific Research}} 1450-216X 23 3 , year={2008} } @book{b4, , title={{Empirical model for the prediction of mobile radio cellular signal attenuation in harmattan weather}} , author={{ FolaponmileSani } and { MS }} , year={2011} } @incollection{b5, , title={{Harmattan dust deposition and particle size in Ghana}} , author={{ HBreuning-Madsen } and { TWAwadzi }} , journal={{Journal Catena (}} 63 1 , year={2005} } @book{b6, , title={{The Application of Land Use/Land Cover (Clutter) Data to Wireless Communication System Design}} , author={{ HAnderson } and { THicks } and { JKirtner }} , year={2008} , publisher={EDX Wireless, LLC} , address={Eugene, Oregon USA} } @incollection{b7, , title={{Effects of Rain on Radio Propagation in GSM}} , author={{ SAshish } and { JPrashant }} , journal={{International Journal of Advanced Engineering & Applications}} , year={2010} } @book{b8, , title={{Designing the User Interface: Strategies for Effective Human-Computer Interaction, Fifth Edition, addition Wesley Imprint}} , author={{ B& CShneiderman } and { Plaisant }} , editor={10. Zikmund, W. G.} , year={2010. 1994} , publisher={Dryden Press} , address={Fort Worth} , note={Exploring Marketing Research} } @book{b9, , author={{ JWCreswell }} , title={{Research design: Qualitative & Quantitative Approaches}} USA , publisher={Sage Publications} , year={1994} } @book{b10, , title={{Case Study Research: Design and Methods, applied Social Research Methods Series}} , author={{ RKYin }} , year={1994} , publisher={Sage Publishing} , address={Newbury Parl California} , note={2nd Ed} } @book{b11, , title={{Essentials of business research methods}} , author={{ JFHair } and { Jr } and { BBabin } and { AHMoney } and { PSamouel }} , year={2003} , publisher={Wiley} , address={New York} } @book{b12, , author={{ IMHolme } and { BKSolvang } and { Lund }} , title={{Research Methods: Qualitative and Quantitative Methods, About Student}} , year={1991} }