Wasserman, Ph.D., K. B. “Highly Structured Service Learning: Positive Impacts on the Teacher Candidates, Cooperating Teachers, and Fourth Graders”. International Journal of Research on Service-Learning in Teacher Education, vol. 1, no. 1, Sept. 2010, pp. 1-16, https://ijrslte.journal.library.uta.edu/index.php/IJRSLTE/article/view/11.