00750naa#a2200181#i#450# EN\\bibl\111442 20260302054848.1 1994-4683 20240731b2024####ek#y0engy0150####ca RU Assessment of the sensory perception and psychomotor abilities of older preschool children aged 6-7 years with mental retardation Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2024 5 с. Journal article local умственно отсталых, слаборазвитых. 376.42 Botyaev Valeriy Leonidovich Strel'cova Ekaterina Romanovna uchzapiski.lesgaft.spb.ru