Assessing the Validity of the Qualistar Early Learning Quality Rating and Improvement System as a Tool for Improving Child-Care Quality

Improving

by: Gail L. Zellman · Michal Perlman · Vi-Nhuan Le

Paperback

details (USA).

ISBN: 978-0-8330-4495-2

ISBN-10: 0-8330-4495-8

RAND Corporation · 2008