Trofimenko, Vira, Romanyshyna, Oksana, Анічкіна, О. В., Ivanchuk, Mariya, Bohdanyuk, Antonina, Zoriy, Yaroslav, Moseichuk, Yurii, Koshura, Andrii, Yarmak, Olena, Galan, Yaroslav (2019) Analysis of the dynamics of physical development and functional state of 9-12-year-old schoolchildren playing volleyball. Journal of Physical Education and Sport, 19 (1). с. 748-755. ISSN 2247-8051