Telagon
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Π—Π°ΠΊΠ°Π·Π°Ρ‚ΡŒ Ρ€Π΅ΠΊΠ»Π°ΠΌΡƒ Π² OVERLAND ASTRONOMY (HBCSE) FOR OLYMPIAD AND INTERNATIONAL EXAM β€” Telagon