ArchiveVolume 8, Issue 1, February 2019
Maydim Malkov
Pages: 1-9     Published Online: Apr. 9, 2019
DOI: 10.11648/j.pamj.20190801.11        Views 51      Downloads 29
Abdel Radi Abdel Rahman Abdel Gadi, Ragaa Mohammed Haj Ebrahim, Nedal Hassan Elbadowi Eljaneid
Pages: 10-17     Published Online: Apr. 18, 2019
DOI: 10.11648/j.pamj.20190801.12        Views 44      Downloads 14
Junmei Wang
Pages: 18-29     Published Online: May 9, 2019
DOI: 10.11648/j.pamj.20190801.13        Views 18      Downloads 9
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