Porozovs, Juris, Aija Dudkina, and Alvis Valdemiers. “THE SELF-ESTIMATION OF THE HEALTH LEVEL, PHYSICAL ACTIVITIES AND FEELING OF THE RIGA BASIC SCHOOL STUDENTS AND UNIVERSITY PEDAGOGICAL SPECIALTY STUDENTS”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 4 (May 25, 2018): 222–231. Accessed May 8, 2024. https://journals.rta.lv/index.php/SIE/article/view/3195.