Khudolii, O., Ivashchenko, O., Cieślicka, M. and Rafikov, O. (2024) “Discriminant Analysis: the Influence of Exercise Modes on the Effectiveness of the Process of Learning to Throw A Small Ball for 9-Year-Old Boys ”, Journal of Learning Theory and Methodology. Kharkiv, Ukraine, 5(1), pp. 20–24. doi: 10.17309/jltm.2024.5.1.03.