DeWit, D.J., Steep, B., Silverman, G., Stevens-Lavigne, A., Ellis, K., Smythe, C., Rye, B.J., Braun, K. and Wood, E. 2000. Evaluating an In-School Drug Prevention Program for At-Risk Youth. Alberta Journal of Educational Research. 46, 2 (Jul. 2000). DOI:https://doi.org/10.11575/ajer.v46i2.54803.