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The Outdoor Classroom Ages 3-7 by 
Brantly, A. (2014, May). Learning outside the classroom: Academics aren't the only way to learn at school. Phi Delta Kappan, 95(8), 74.
Taylor, E. W., Neill, A. C., & Banz, R. (2008). Teaching in situ: Nonformal museum education. The Canadian Journal for the Study of Adult Education, 21(1), 19-36.
