Items where Author is "Васько, Ольга Олександрівна"
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Кизенко, Василь Іванович (orcid.org/0000-0001-7835-9150) and Васько, Ольга Олександрівна (orcid.org/0000-0001-5241-0958) (2020) Variable component of the content general secondary education: topicality, value, quality . The Academy of Management and Administration in Opole, c. Opole, Poland. ISBN 978-83-66567-21-4