KAUPUZS, Aivars; LIEPINA, Inga. FACTORS AFFECTING LEVELS OF PHYSICAL ACTIVITY IN SCHOOL ENVIRONMENT. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 4, p. 85–98, 2018. DOI: 10.17770/sie2018vol1.3410. Disponível em: https://archive-journals.rtu.lv/sie/article/view/1819.. Acesso em: 11 mar. 2026.