1. Evaluation of mCircle of Life in tribes in the Northern Plains: final impact report for University of Colorado Denver, Centers for American Indian and Alaska Native Health Author(s): Schwinn, Traci, author Publication: [Denver?] : [publisher not identified], August 18, 2015 Subject(s): Pregnancy in Adolescence -- prevention & controlSexual AbstinenceSex EducationIndians, North AmericanProgram EvaluationNorth DakotaSouth DakotamCircle of Life (Program)