TY - BOOK CN - HE 20.415/3: CY - [Rockville, Md.?] : DA - [1998] ID - 215936 KW - Substance abuse N1 - Shipping list no.: 99-0035-M. PB - Center for Substance Abuse Prevention : PB - National Center for the Advancement of Prevention, PP - [Rockville, Md.?] : PY - [1998] T1 - A guide for evaluating prevention effectiveness TI - A guide for evaluating prevention effectiveness VL - no. 98-3237 ER -