V.V. Nasonov, D.S. Rechapov. Marketing tools in assessing the strategic position of a private hockey camp in the sports services market. TPPC [Internet]. 2023 Jul. 8 [cited 2024 Nov. 1];(5):61-3. Available from: http://www.tpfk.ru/index.php/TPPC/article/view/614