TY - BOOK AU - Koralek, Derry G. AU - Colker, Laura J. AU - Dodge, Diane Trister TI - What, why, and how of high-quality early childhood education: a guide for on-site supervision SN - 0935989676 U1 - HSc-R PY - 1995/// CY - Washington PB - National Association for the Education of Young Children ER -