TY - BOOK AU - Helm,Judy Harris AU - Katz,Lilian G. TI - Young investigators: the project approach in the early years SN - 9780807751534 (pbk. : acidfree paper) U1 - 372.136 HEL PY - 2011/// CY - New York, Washington, D.C. PB - Teachers College Press, National Association for the Education of Young Children KW - Project method in teaching KW - Early childhood education KW - Curricula N1 - Includes bibliographical references (p. 113-115) and index ER -