Brown, A. L., & Lee, J. (2017). Evaluating the efficacy of children participating in Home Instruction for Parents of Preschool Youngsters and Head Start. Journal of Early Childhood Research, 15(1), 61–72. https://doi.org/10.1177/1476718X15577006
Additional Sources:
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Brown, A. Evaluating the efficacy of Children’s participating HIPPY in Head Start centers. Unpublished Manuscript.