Citation
Kremer, K. P., Maynard, B. R., Polanin, J. R., Vaughn, M. G., & Sarteschi, C. M. (2015). Effects of after-school programs with at-risk youth on attendance and externalizing behaviors: A systematic review and meta-analysis. Journal of Youth and Adolescence, 44(3), 616–636. doi:10.1007/s10964-014-0226-4