Volume 3, Issue 5-1, October 2015
Krasimira Georgieva Fileva-Ruseva
Pages: 1-13 Published Online: Jun. 18, 2015
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Milena Bogdanova
Pages: 14-24 Published Online: Jun. 18, 2015
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Galina Dimova Georgieva
Pages: 25-30 Published Online: Jun. 18, 2015
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Penka Pencheva Mincheva
Pages: 31-36 Published Online: Jun. 23, 2015
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Penka Pencheva Mincheva
Pages: 37-42 Published Online: Jun. 30, 2015
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Nikolay Ivanov Stoykov
Pages: 43-49 Published Online: Jun. 30, 2015
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Jean Stefanov Pehlivanov
Pages: 50-54 Published Online: Jun. 30, 2015
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Zdravka Hvarkata
Pages: 55-61 Published Online: Jul. 3, 2015
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Krasimira Georgieva Fileva-Ruseva
Pages: 62-71 Published Online: Jul. 4, 2015
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Zhang Li,
Huaifu Wang,
Zhiwei Yang
Pages: 72-76 Published Online: Sep. 11, 2015
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Julian Kujumdzhiev
Pages: 77-82 Published Online: Sep. 28, 2015
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