Masyagina N.V., Leontieva M.S., Pushkina V.N., Sedogin E.A. THE USE OF PROFESSIONAL ARTIFICIAL TURF FOR SKI SLOPES AS AN OPPORTUNITY TO IMPROVE THE EFFICIENCY OF THE TRAINING PROCESS OF CROSS-COUNTRY SKIERS. TPPC [Internet]. 2023 Jul. 2 [cited 2024 Nov. 22];(7):21-3. Available from: http://tpfk.ru/index.php/TPPC/article/view/720