TY JOUR TI FACTORS DETERMINING THE CONTENT OF THE PROGRAM OF ADDITIONAL PROFESSIONAL EDUCATION "GENERAL TEACHING CHILDREN TO SWIMMING AS A BASIC LIFE-SUPPORTING SKILL" KW swimming KW additional professional education program KW children of different ages KW swimming instructor JO Scientific notes of P. F. Lesgaft University AU Sazonova, I.M. AU YUdina, N.M. AU Aparieva, T.G. AU ZHarikova, M.V. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft