00690naa#a2200193#i#450# EN\INFRA-M\bibl\34446 /en/manage/index 20250123180240.4 2306-1731 20191225b2019####ek#y0engy0150####ca RU Methods of Experimental Work on the Study of Self-Esteem of Students with Disorders of the Musculoskeletal System Journal article Moscow INFRA-M Academic Publishing LLC. 2019 4 с. Journal article local Статистика. Демография. Социология. 31 Frolochkina D. Yu. Brykin Yu. V. test.editorum.ru /en/manage/index