ArchiveVolume 2, Issue 2, June 2019
Galyna Zelenko
Pages: 32-38     Published Online: Jul. 9, 2019
DOI: 10.11648/j.jpsir.20190202.11        Views 545      Downloads 162
Christopher Binetti
Pages: 39-49     Published Online: Jul. 15, 2019
DOI: 10.11648/j.jpsir.20190202.12        Views 545      Downloads 144
Igor Janev
Pages: 50-59     Published Online: Sep. 5, 2019
DOI: 10.11648/j.jpsir.20190202.13        Views 497      Downloads 426
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