TY CONF TI ASSESSMENT OF CORRELATION BETWEEN MENTAL DEVELOPMENT PARAMETERS AND INDICATORS OF VESTIBULAR STABILITY OF PRIMARY SCHOOLCHILDREN WITH MENTAL RETARDATION IN ADAPTIVE PHYSICAL EDUCATION KW primary schoolchildren with mental retardation KW mental development KW vestibular stability JO Process Management and Scientific Developments AU Khaustova, E.G. AU Martynov, A.A. AU Borisenko, E.G. PY 2024 PB AUS PUBLISHERS