Enhancing early child care quality and learning for toddlers at risk: The responsive early childhood program

Susan H. Landry, Tricia A. Zucker, Heather B. Taylor, Paul R. Swank, Jeffrey M. Williams, Michael Assel, April Crawford, Weihua Huang, Jeanine Clancy-Menchetti, Christopher J. Lonigan, Beth M. Phillips, Nancy Eisenberg, Tracy Spinrad, Jill De Villiers, Peter De Villiers, Marcia Barnes, Prentice Starkey, Alice Klein