Developmentally Appropriate Practice in Early Childhood Programs Serving Children from Birth Through Age 8, Fourth Edition (Fully Revised and Updated)Susan Friedman, Brian L. Wright, Marie L. Masterson, Barbara Willer, Sue Bredekamp · First published 2021Open the Tome
Families and community relationshipsSharon Ritchie, Barbara A. Willer · First published 2005Open the Tome
Reaching the Full Cost of Quality in Early Childhood ProgramsBarbara Willer · First published 1989Open the Tome
