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Sampling from childcare centres and pre-schools: how representative are they?
Li Ming Wen, Neil Orr, Sallie Bacon, Chris RisselVolume:
30
Year:
2006
Language:
english
Pages:
3
DOI:
10.1111/j.1467-842x.2006.tb00473.x
File:
PDF, 28 KB
english, 2006