ArchiveVolume 7, Issue 6, December 2018
Bazuaye Frank Etin-Osa
Pages: 78-87     Published Online: Jan. 2, 2019
DOI: 10.11648/j.pamj.20180706.11        Views 698      Downloads 181
Liu Jingli
Pages: 88-94     Published Online: Jan. 2, 2019
DOI: 10.11648/j.pamj.20180706.12        Views 641      Downloads 96
Maydim Malkov
Pages: 95-100     Published Online: Jan. 10, 2019
DOI: 10.11648/j.pamj.20180706.13        Views 667      Downloads 155
ADDRESS
Science Publishing Group
1 Rockefeller Plaza,
10th and 11th Floors,
New York, NY 10020
U.S.A.
Tel: (001)347-983-5186