An ounce of prevention, a pound of uncertainty :  the cost-effectiveness of school-based drug prevention programs / 
Jonathan P. Caulkins ... [et al.]. 
 - Santa Monica, CA :  Rand,  1999. 
 - xxxiii, 194 p. :  ill. ;  23 cm. 
<br/><br/> Includes bibliographical references (p. 185-194). 
<br/><br/>
<br/><br/><label>ISBN: </label>0585245460 (electronic bk.) 0833025600 
<br/><br/><label>LCCN: </label>99019931  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Youth--Drug use--Prevention--Cost effectiveness.--United States<br/>Students--Drug use--Prevention--Cost effectiveness.--United States<br/>Cocaine abuse--Prevention--Cost effectiveness.--United States<br/>Drug abuse--Study and teaching--Cost effectiveness.--United States
<br/><br/><label>LC Class. No.: </label>HV5824.Y68  / O94 1999 
<br/><br/><label>Dewey Class. No.: </label>362.29/17/0973