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Бондар Анастасія Сергіївна (Anastasia B.; Салтан Наталія Миколаївна (Nataliia S.; Салтан Олександр Миколайович (Oleksandr S. Calendar of Holding Sports Competitions As a Source in Study of Features of Development of Domestic Sport in the 30s of the Xxth Century. SHSS 2015, 26-30.