ArchiveVolume 2, Issue 1, March 2019
Kamaludin Gadzhiev
Pages: 1-10     Published Online: Mar. 5, 2019
DOI: 10.11648/j.jpsir.20190201.11        Views 688      Downloads 219
Abdirahman Osman Gaas
Pages: 11-17     Published Online: Mar. 5, 2019
DOI: 10.11648/j.jpsir.20190201.12        Views 632      Downloads 377
Ojo-Eyitope Esther Anike, Ojo Ademola Eyitope
Pages: 18-24     Published Online: Apr. 8, 2019
DOI: 10.11648/j.jpsir.20190201.13        Views 576      Downloads 146
Negera Gudeta Adula
Pages: 25-31     Published Online: Jun. 20, 2019
DOI: 10.11648/j.jpsir.20190201.14        Views 569      Downloads 284
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