- illerarasimesafe.com yoshkar-ola-mari-el-rusya-…
- tr.toponavi.com 197744
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- nkfu.com mari-el-ozerk-cumhuriyeti-nerededir/
- tripadvisor.co.uk Attraction_Review-g777986-…The theater officially opened in February 1969 with the premiere of the first Mari heroic-romantic opera “Akpatyr” by composer Eric Sapaev.Bulunamadı: youth
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- britannica.com place/Mari-El
- web.archive.org web/20231117000205/https://tr.…