Kovaļovs A, Fernāte A, Slaidiņš K, Vītoliņš K, Gailītis DD. RELATIONSHIP BETWEEN MOTIVATION OF CHILDREN AND YOUTH AND TIME SPENT IN FOOTBALL TRAINING (GRADE 5-9). SIE [Internet]. 2024 May 22 [cited 2024 Sep. 27];2:563-74. Available from: https://journals.ru.lv/index.php/SIE/article/view/7879