Articles
Agyemang Badu Ebenezer
Pages: 35-43     Published Online: Jul. 25, 2017
DOI: 10.11648/j.jppa.20170101.14        Views 2134      Downloads 139
Hycenth Amakiri Ajie, Emmanuel Chukwunonyem Ani, Ojiya Emmanuel Ameh
Pages: 22-34     Published Online: Jul. 18, 2017
DOI: 10.11648/j.jppa.20170101.13        Views 2553      Downloads 280
Augustine Okon Jacob, Okon Joseph Umoh
Pages: 10-21     Published Online: Jul. 10, 2017
DOI: 10.11648/j.jppa.20170101.12        Views 2299      Downloads 196
Md Nazirul Islam Sarker, Zhang Jie
Pages: 1-9     Published Online: Jun. 20, 2017
DOI: 10.11648/j.jppa.20170101.11        Views 2417      Downloads 205
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