TY JOUR TI Propaedeutics of the Difficulties of Future First-Graders in Mastering Functional Literacy KW adaptation KW functional literacy KW components of functional literacy KW self-control KW independence KW modeling KW Primary School KW educational activity KW senior preschooler KW development JO Primary Education AU Sosnina, E.G. PY 2023 IS 11 PB INFRA-M Academic Publishing LLC.