Nabiullin, R. ., N. . Zakirov, and A. . Nabiullin. “Ways to Improve the Effectiveness of Tourist Training Grounds on the Terrain in the ‘distance-walking’ Discipline Group”. Theory and Practice of Physical Culture, no. 11, Dec. 2025, pp. 68-70, http://www.tpfk.ru/index.php/TPPC/article/view/1517.