Volume 2, Issue 6, December 2016
Gebremichael Gebretsadik,
Yalemtsehay Mekonnen
Pages: 60-64 Published Online: Nov. 3, 2016
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Vasyl A. Cherniy,
Svitlana N. Gureeva,
Victoriya A. Georgiyants
Pages: 65-73 Published Online: Jan. 10, 2017
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Lesia Savchenko,
Victoriya Georgiyants
Pages: 74-78 Published Online: Jan. 11, 2017
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