Penn, Helen. Quality in Early Childhood Services An international perspective / [electronic resource] : Helen Penn. - Maidenhead, England : McGraw Hill/Open University Press, 2011. - xi, 219 p. : ill. Includes bibliographical references and index. ISBN: 9780335228782 (pbk.) 9780335228775 (hbk.) 033522878X (pbk.) 0335228771 (hbk.) 9780335240241 (Proquest Ebook Central) Source: 681155 Proquest Ebook Central Subjects--Topical Terms: Early childhood education. LC Class. No.: LB1139.23 / .P46 2011