ERIC Clearinghouse on Elementary and Early Childhood Education. Early childhood research & practice: ECRP. ERIC Clearinghouse on Elementary and Early Childhood Education.
Чикаго стиль цитування (17-те видання)ERIC Clearinghouse on Elementary and Early Childhood Education. Early Childhood Research & Practice: ECRP. Champaign, IL: ERIC Clearinghouse on Elementary and Early Childhood Education.
Стиль цитування MLA (9-ме видання)ERIC Clearinghouse on Elementary and Early Childhood Education. Early Childhood Research & Practice: ECRP. ERIC Clearinghouse on Elementary and Early Childhood Education.
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