ArchiveVolume 4, Issue 2, April 2015
Muluken Nega Bazezew, Teshome Soromessa, Eyale Bayable
Pages: 75-82     Published Online: Feb. 16, 2015
DOI: 10.11648/j.ajep.20150402.11        Views 4946      Downloads 533
Dejen Yemane Tekle, Abebe Beyene Hailu, Taffere Addis Wassie, Azeb Gebresilassie Tesema
Pages: 83-90     Published Online: Feb. 25, 2015
DOI: 10.11648/j.ajep.20150402.12        Views 5601      Downloads 631
Ricardo Díaz Martín, Gaston Sanglier Contreras, Adib Guardiola Mouhaffel
Pages: 91-94     Published Online: Mar. 3, 2015
DOI: 10.11648/j.ajep.20150402.13        Views 4561      Downloads 158
Tetiana Lutchyn
Pages: 95-100     Published Online: Mar. 3, 2015
DOI: 10.11648/j.ajep.20150402.14        Views 4528      Downloads 150
Biswajit Mukhopadhyay, Buddhadev Bhattacherjee
Pages: 101-104     Published Online: Mar. 3, 2015
DOI: 10.11648/j.ajep.20150402.15        Views 13044      Downloads 389
Abdunnaser Mohamed Etorki, Ibrahim Salem Shaban
Pages: 105-109     Published Online: Mar. 31, 2015
DOI: 10.11648/j.ajep.20150402.16        Views 4543      Downloads 220
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