ArchiveVolume 6, Issue 3, September 2018
Yomna Ali Moustafa Marzok Elkhateeb, Norah Yousefkhaled Alfhied
Pages: 59-64     Published Online: Nov. 7, 2018
DOI: 10.11648/j.ijbse.20180603.11        Views 489      Downloads 50
Beata Mazurek
Pages: 65-69     Published Online: Dec. 19, 2018
DOI: 10.11648/j.ijbse.20180603.12        Views 338      Downloads 48
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