Vol 5, No 2 (2019)

Table of Contents

Articles

Stoyan Stoyanov, Stanimir Zhelezov
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23-33
Mihaela Todorova, Aleksandar Kutsarov, Krasimir Kordov
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34-38
Hristo Paraskevov, Aleksandar Stefanov, Radostin Rafailov
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39-44