TY JOUR TI PROFESSIONAL COMPETENCE OF A TEACHER AS A TOOL OF PRESCHOOL EDUCATION QUALITY MANAGEMENT KW quality KW quality of education KW management KW preschool education quality management KW competence KW expertise KW professional competence of a teacher KW educational and social expertise of a teacher JO Austrian Journal of Humanities and Social Sciences AU Sadykova, T.N. AU Molchanov, S.G. PY 2020 IS 2020 PB Premier Publishing s.r.o.