Porozovs, J.; Dudkina, A.; Valdemiers, A. THE SELF-ESTIMATION OF THE HEALTH LEVEL, PHYSICAL ACTIVITIES AND FEELING OF THE RIGA BASIC SCHOOL STUDENTS AND UNIVERSITY PEDAGOGICAL SPECIALTY STUDENTS. SIE 2018, 4, 222-231. https://doi.org/10.17770/sie2018vol1.3195.