Fedorets Olga Vyacheslavovna
![](assets/images/authors/foto-fedorec-o.v.jpg)
post-graduate student, economy and management faculty, department of economy and management in energetics and nature usage, Saint Petersburg state polytechnic university.
List of articles
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post-graduate student, economy and management faculty, department of economy and management in energetics and nature usage, Saint Petersburg state polytechnic university.
Записей не найдено.