S. K. Abdurashidov. “DЕVЕLОPMЕNT ОF VОLLЕYBАLL-SPЕСIFIС PHYSIСАL QUАLITIЕS THRОUGH THЕ USЕ ОF RЕLАTЕD MОVЕMЕNT GАMЕS”. Spectrum Journal of Innovation, Reforms and Development, vol. 9, Nov. 2022, pp. 266-70, https://sjird.journalspark.org/index.php/sjird/article/view/363.