ArchiveVolume 6, Issue 6, November 2017
Ignatius Kema Okakwu, Emmanuel Apoyi Ogujor
Pages: 79-87     Published Online: Oct. 23, 2017
DOI: 10.11648/j.epes.20170606.11        Views 1536      Downloads 166
Ugwuoke Philip Emeka, Obodeh Otunuya
Pages: 88-93     Published Online: Nov. 15, 2017
DOI: 10.11648/j.epes.20170606.12        Views 1738      Downloads 143
Khaled Mohamed Kotb Fetyan
Pages: 94-112     Published Online: Nov. 21, 2017
DOI: 10.11648/j.epes.20170606.13        Views 1564      Downloads 141
Tae-sik Kong, Hee-dong Kim, Soo-hoh Lee, Jin Lee
Pages: 113-118     Published Online: Mar. 13, 2018
DOI: 10.11648/j.epes.20170606.14        Views 1278      Downloads 74
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