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ArchiveVolume 6, Issue 4, December 2020
Shemsedin Abdu Dawud
Pages: 47-51     Published Online: Nov. 19, 2020
DOI: 10.11648/j.ajtab.20200604.11        Views 127      Downloads 75
Amanuel Engidaw
Pages: 52-65     Published Online: Nov. 19, 2020
DOI: 10.11648/j.ajtab.20200604.12        Views 106      Downloads 41
Fusheng Wang, Jieqiong Hu
Pages: 66-71     Published Online: Nov. 19, 2020
DOI: 10.11648/j.ajtab.20200604.13        Views 114      Downloads 84
Urgessa Firomsa Fite
Pages: 72-78     Published Online: Nov. 23, 2020
DOI: 10.11648/j.ajtab.20200604.14        Views 116      Downloads 100
Kanbiro Orkaido, Bekele Youna
Pages: 79-90     Published Online: Nov. 23, 2020
DOI: 10.11648/j.ajtab.20200604.15        Views 107      Downloads 23
Sami Ahmed Alghamdi
Pages: 91-97     Published Online: Dec. 11, 2020
DOI: 10.11648/j.ajtab.20200604.16        Views 65      Downloads 95
Lixiang Chen
Pages: 98-105     Published Online: Dec. 31, 2020
DOI: 10.11648/j.ajtab.20200604.17        Views 34      Downloads 34
Jiangyu Huang, Qiuyan Xie, Jing Li
Pages: 106-111     Published Online: Dec. 31, 2020
DOI: 10.11648/j.ajtab.20200604.18        Views 27      Downloads 33
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