Stoykov K, Dimenchev G, Ivanov I. EFFECTS OF ECCENTRIC-ORIENTED TRAINING WITH INERTIAL RESISTANCE ON THE DEVELOPMENT OF SPORT-SPECIFIC PHYSICAL QUALITIES IN YOUTH TENNIS PLAYERS. kij [Internet]. 2026 Feb. 13 [cited 2026 Sep. 26];74(4):553-7. Available from: https://ojs.ikm.mk/index.php/kij/article/view/8132