ISSN: 2310-8290
Зараз показуються 1-9 з 9
Ключові слова |
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vocal competence [1] |
vocal composition [1] |
vocal technique [1] |
vocal-choral training [1] |
vocal-technical difficulties [1] |
vocal-technical skills [1] |
vocal-theoretical knowledge [1] |
vocational education [2] |
vocational training [2] |
Зараз показуються 1-9 з 9