ArchiveVolume 2, Issue 5, October 2013
Khalil A. El-Namrouty, Wassem Alhabil, Doaa A. Al-thalathini
Pages: 82-88     Published Online: Sep. 30, 2013
DOI: 10.11648/j.jwer.20130205.11        Views 2718      Downloads 142
Piotr Siemiatkowski, Ewa Jankowska
Pages: 89-94     Published Online: Nov. 10, 2013
DOI: 10.11648/j.jwer.20130205.12        Views 2237      Downloads 140
Sriprakash Srivastava, Brajesh Kumar Tiwari
Pages: 95-103     Published Online: Nov. 10, 2013
DOI: 10.11648/j.jwer.20130205.13        Views 2825      Downloads 364
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