TY - BOOK T1 - Play and early childhood development / DA - c1999. CY - New York : AU - Johnson, James E. AU - Christie, James F. AU - Yawkey, Thomas D. ET - 2nd ed. CN - HQ782 CN - HQ782 PB - Longman, PP - New York : PY - c1999. ID - 222543 KW - Play. KW - Child development. SN - 032101166X SN - 0673997383 TI - Play and early childhood development / ER -