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Start Over Subjects Adolescent Behavior ✖Remove constraint Subjects: Adolescent Behavior Subjects Program Evaluation ✖Remove constraint Subjects: Program Evaluation Authors Layzer, Jean I., author ✖Remove constraint Authors: Layzer, Jean I., author Authors Price, Cristofer, author ✖Remove constraint Authors: Price, Cristofer, author Languages English ✖Remove constraint Languages: English Copyright Public domain ✖Remove constraint Copyright: Public domain