TY  - BOOK
AU  - Yussen, Steven R. 
AU  - Dillon, Deborah R.
AU  - Harwell, Michael R.
AU  - Hearn, James C.
AU  - Lawrenz, Frances.
ED  - AERA.
TI  - Educational researcher (Vol.41, No.1): an official journal of the AERA 
U1  - INTJR 
PY  - 2012///
CY  - America
PB  - AERA, Sage
KW  - Early childhood programs
KW  - Early childhood development programs
KW  - Pedagogical content knowledge
KW  - Design-based research
KW  - Wiki usage
KW  - U.S
N1  - Includes bibliographical references; Vol. 41, No. 1

ER  -