School-based preventive interventions for at-risk populations : Practical and ethical issues
| Year of publication: |
1993
|
|---|---|
| Authors: | Gensheimer, Leah K. ; Ayers, Tim S. ; Roosa, Mark W. |
| Published in: |
Evaluation and Program Planning. - Elsevier, ISSN 0149-7189. - Vol. 16.1993, 2, p. 159-167
|
| Publisher: |
Elsevier |