ArchiveVolume 4, Issue 1, February 2019
Luo Quanzhen, Zhao Qi, Zhang Jianchang
Pages: 1-4     Published Online: Mar. 29, 2019
DOI: 10.11648/j.ajetm.20190401.11        Views 292      Downloads 24
Gulzhan Abdullaevna Kudaikulova, Boris Vladimirovich Fedorov, Aizada Baltagalievna Sharauova
Pages: 5-9     Published Online: Apr. 9, 2019
DOI: 10.11648/j.ajetm.20190401.12        Views 276      Downloads 35
Shiferaw Garoma Wayessa, Dessalegn Geleta Abuye
Pages: 10-24     Published Online: Apr. 9, 2019
DOI: 10.11648/j.ajetm.20190401.13        Views 261      Downloads 29
Sabir Hussain Awan, Sheeraz Ahmed, Muhammad Zaheer Hashim
Pages: 25-33     Published Online: Apr. 22, 2019
DOI: 10.11648/j.ajetm.20190401.14        Views 252      Downloads 31
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