00578nam a2200193 4500 u3188 SIRSI 20250825174913.0 211213n 000 0 eng u 9780807751534 372.136 H478y 2011 Harris Helm, Judy Katz, Lilian G. Young investigators: the project approach in the early years Second edition United States of America: Teachers college : Columbia University xi, 28 pages, illustration Project method in education 1828 1828 2026-03-12 00:00:00 003934 372.136 H478y 2011 003934 1 2025-08-25 BOOK 0 0 0 COL_GRAL 0 BCENTRAL BCENTRAL 2021-12-13