For citations:

Annaev R.I., Chupanova N.V. Efficiency of Relay Races Using with Various Physical Qualities Development and Increasing the Junior Boxers’ Physical Fitness Level (12-13 years old). Dagestan State Pedagogical University. Journal. Psychological and Pedagogical Sciences. 2021;15(1):15-21. (In Russ.) https://doi.org/10.31161/1995-0675-2021-15-1-15-21