The social lives of young children : play, conflict and moral learning in day-care groups / Elly Singer, Dorian de Haan ; with contributions from Anke van Keulen and Nienke Bekkema ; [transl. from the Dutch by Murray Pearson]
"The social lives of young children : play, conflict and moral learning in day-care groups / Elly Singer, Dorian de Haan ; with contributions from Anke van Keulen and Nienke Bekkema ; [transl. from the Dutch by Murray Pearson]"