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Litvyakova Nataliya Vasylivna. Marketing research as a means of educational services differentiation in the system of postgraduate education of a pedagogical university
: к.пед.н. :
spec.. 13.00.06 - Теорія і методика управління освітою :
presented. 2020-06-26; popup.evolution: .;
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Updated: 2026-03-26
