Pušnik, T., T. Volmut, and B. Šimunič. “THE QUANTITY AND INTENSITY OF PHYSICAL ACTIVITY DURING PHYSICAL EDUCATION IN 3rd GRADE PRIMARY SCHOOL CHILDREN”. Annales Kinesiologiae, vol. 5, no. 2, Jan. 2015, http://ojs.zrs-kp.si/index.php/AK/article/view/35.