Efficacy evaluation of the school program Unplugged for drug use prevention among Brazilian adolescents
1990 ◽
Vol 19
(3)
◽
pp. 305-313
◽
1994 ◽
Vol 17
(2)
◽
pp. 195-216
◽
1999 ◽
Vol 34
(4-5)
◽
pp. 521-544
◽