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Donald B. Helms

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Stand Alone

Study Guide to Accompany Lifespan Development
Exploring child behavior
LIFE SPAN DEVELOPMENT. BY JEFFREY S. TURNER, DONALD B. HELMS.
Contemporary Adulthood
Student's Workbook for Exploring Child Behavior, Basic Principles
Life Span Development
Exploring Child Behavior
Lifespan Development
Lifespan Development
Lifespan Development