ArchiveVolume 3, Issue 3, June 2014
Lyudmila Perepechko
Pages: 21-24     Published Online: Jul. 30, 2014
DOI: 10.11648/j.jwer.20140303.11        Views 2554      Downloads 141
Manamba Epaphra
Pages: 25-36     Published Online: Aug. 10, 2014
DOI: 10.11648/j.jwer.20140303.12        Views 2539      Downloads 158
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