8Donald &Verry. OECD data: An Economic Framework for the Evaluation of Child Care Policy. Paris : Organi- zation for Economic Co - operation and Development, 1990 : 21.
9Cleveland, Gordon & Michael Krashinsky. Financing ECEC Services in OECD Countries, OECD, 2003 : 46.
10OECD. Starting Strong: Early Childhood Education and Care [M] .OECD: OECD Publishing, 2006.