Yevtyfiieva I. THE ANALYSIS OF INDICATORS OF TECHNICAL AND TACTICAL ACTIONS OF TENNIS PLAYERS 10-12 YEARS OLD, TAKING INTO ACCOUNT PROPERTIES OF TEMPERAMENT AND HEART RATE MONITORING INDICATORS. Osvìta, ìnnovatika, praktika. 2023;11(2):19-24. doi:10.31110/2616-650X-vol11i2-003