V.V. Nasonov, and D.S. Rechapov. “Marketing Tools in Assessing the Strategic Position of a Private Hockey Camp in the Sports Services Market”. Theory and Practice of Physical Culture, no. 5 (July 8, 2023): 61–63. Accessed November 23, 2024. http://tpfk.ru/index.php/TPPC/article/view/614.