Kondakov, V.L., E.N. Kopeikina, and A.N. Usatov. “On Purposefulness of Application of Physical Culture-Health Related Technology for Prophylaxis of students’ Respiratory System Disorders”. Physical Education of Students 20, no. 2 (April 28, 2016): 4–12. Accessed July 27, 2026. https://sportedu.org.ua/index.php/PES/article/view/51.