Conflict in child and adolescent developmentde Willard W. Hartup, Carolyn Uhlinger ShantzMateriasConflict (Psychology) in adolescenceConflict (Psychology) in childrenAdjustment (Psychology) in childrenInterpersonal relations in adolescenceInterpersonal relations in childrenAdjustment (Psychology) in adolescenceConflict (psychology)Interpersonal relations