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Books about Kostyuk:
G. S. Kostyuk. Izbrannye psihologicheskie trudy (1988)
Wiki information Kostyuk:
Sergey Kostyuk is a Kazakhstani football midfielder. He currently plays for FC Vostok.
Taras Kostyuk is a Canadian actor and a stunt man of Ukrainian descent. Taras starred in over 40 featured movies since 1997.