Effective treatment of homeless substance abusers: The role of contingency management

Citation

Schumacher, J., Milby, J., McNamara, C., Wallace, D., Michael, M., Popkin, S., & Usdan, S. (1999). Effective treatment of homeless substance abusers: The role of contingency management. In Motivation behavior change among illicit-drug abusers (pp. 77 - 94). Washington, DC: American Psychological Association.

Abstract