1. More than money? Men's contributions to their children's lives;Amato,1998
2. Caring for our children: National health and safety performance standards: Guidelines for out-of-home child care programs;APHA/AAP,1992
3. Caregivers in day-care centers: Does training matter?;Arnett;Journal of Applied Developmental Psychology,1989
4. Characteristics of adult speech which predict children's language development;Barnes;Journal of Child Language,1983
5. Language and context: The acquisition of pragmatics;Bates,1976