W. Billows

Reducing the illegal sales of cigarettes to minors: analysis of alternative enforcement schedules.

L. Jason, W. Billows, D. Schnopp-Wyatt, 1996, Journal of applied behavior analysis.

Long-Term Findings from Woodridge in Reducing Illegal Cigarette Sales to Older Minors

L. Jason, C. King, W. Billows, 1996, Evaluation & the health professions.

Matching the needs of the homeless with those of the disabled: Empowerment through caregiving.

J. Ferrari, L. Jason, W. Billows, 1997 .

Research on the sale of smokeless tobacco to adolescents.

L. Jason, P. Xaverius, W. Billows, 1996, Tobacco control.