Sava L. Using the means of training happen with different predominant influence compared with narrow specialization in the preparation of 14-15 years old middle-distance race runners. Annals of “Dunarea de Jos” University of Galati. Fascicle XV, Physical Education and Sport Management [Internet]. 31Jul.2013 [cited 26Dec.2024];1:151-7. Available from: https://gup.ugal.ro/ugaljournals/index.php/efms/article/view/131