Url: https://r.donnu.edu.ua/xmlui/bitstream/handle/123456789/2059/%D0%A7%D0%98%D0%9D%D0%9D%D0%98%D0%9A%D0%98%20%D0%92%D0%9F%D0%9B%D0%98%D0%92%D0%A3%20%D0%9D%D0%90%20%D0%A1%D0%A2%D0%90%D0%9D%20%D0%A2%D0%90%20%D0%9F%D0%95%D0%A0%D0%A1%D0%9F%D0%95%D0%9A%D0%A2%D0%98%D0%92%D0%98.pdf?sequence=1&isAllowed=y#page=71

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