Fernate, Andra, Zermena Vazne, and Andrejs Levskojs. “ANALYSIS OF THE SELF-REPORTED PHYSICAL ACTIVITY QUESTIONNAIRES INDICATORS”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 4 (May 21, 2019): 144–153. Accessed March 11, 2026. https://archive-journals.rtu.lv/sie/article/view/2192.