Authors: Margarita Velikova, Irina Pashalieva, Piareta Nikolova, Lyubka Decheva-Ikonomova, Antonia Hachmerian, Dobrinka Doncheva Edited by Assoc. Dr. I. Pashalieva and Assoc. Dr. M. Velikova
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Year of issue: 2020
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Publisher: - Varna
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ISBN: 978-619-221-276-6
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Language: Bulgarian