ArchiveVolume 8, Issue 1, March 2020
Shambel Gizachew, Belay Sitotaw, Gizaw Mengistu
Pages: 1-7     Published Online: Jan. 21, 2020
DOI: 10.11648/j.ajaa.20200801.11        Views 496      Downloads 150
Joel Uriel Cisneros-Parra, Francisco Javier Martinez-Herrera, Daniel Montalvo-Castro
Pages: 8-14     Published Online: Feb. 12, 2020
DOI: 10.11648/j.ajaa.20200801.12        Views 504      Downloads 148
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