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University of Agder, Norway |  |
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Borys Grinchenko Kyiv University, Ukraine |  |
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Ternopil Volodymyr Hnatiuk National Pedagogical University, Ukraine | |
|
University of Agder, Norway | |
|
Borys Grinchenko Kyiv University, Ukraine | |
|
Ternopil Volodymyr Hnatiuk National Pedagogical University, Ukraine | |