The effect of alternating transitional speed, agility and motor speed exercises in the training unit on some harmonious abilities of soccer players, Al-Baraem category (U12 years). مجلة الجامعة [Internet]. 2024 Feb. 27 [cited 2026 Jun. 6];6(الخامس عشر). Available from: https://journal.hama-univ.edu.sy/huj/article/view/1570