Cite
MLA Citation
August F. Holtyn et al.. “Employment‐based abstinence reinforcement promotes opiate and cocaine abstinence in out‐of‐treatment injection drug users.” Journal of applied behavior analysis, vol. 47, no. 4, n.d., pp. 681–693. http://access.bl.uk/ark:/81055/vdc_100024990783.0x000016