ArchiveVolume 5, Issue 4, December 2019
Gemechu Berhanu Kerorsa
Pages: 59-64     Published Online: Nov. 7, 2019
DOI: 10.11648/j.ijbecs.20190504.11        Views 11      Downloads 37
Yenew Alemu Mihret
Pages: 65-69     Published Online: Nov. 13, 2019
DOI: 10.11648/j.ijbecs.20190504.12        Views 3      Downloads 5
Selamawit Fentahun Ali
Pages: 70-77     Published Online: Nov. 14, 2019
DOI: 10.11648/j.ijbecs.20190504.13        Views 3      Downloads 4
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