Social Interaction In Children Study And Teaching : Superflex® : Superflex takes on Rock Brain® and the team of Unthinkables® ; a new beginning / written by Stephanie Madrigal ; illustrated by Kelly Knopp.
Social Interaction In Infants : From biting to hugging : understanding social development in infants and toddlers / Donna S. Wittmer, PhD, and Deanna W. Clauson.