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Verbivskiy Dmytriy Sergiyovych. The development of professional ethics of the employees of customer service centers of mobile operators
: к.пед.н. :
spec.. 13.00.04 - Теорія і методика професійної освіти :
presented. 2012-03-20; popup.evolution: .;
Zhytomyr State University named after Ivan Franko. – , 0412U001867.
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Updated: 2026-03-27
