نتائج البحث

1

Student drug use, attitudes, and beliefs : national trends, 1975-1982 /

Student drug use, attitudes, and beliefs : national trends, 1975-1982 /

بواسطة Johnston, Lloyd
منشور في 1982

وثيقة رسمية كتاب

2

National trends in drug use and related factors among American high school students and young adults, 1975-1986 /

National trends in drug use and related factors among American high school students and young adults, 1975-1986 /

بواسطة Johnston, Lloyd
منشور في 1987

وثيقة رسمية كتاب

3

Use of licit and illicit drugs by America's high school students, 1975-1984 /

Use of licit and illicit drugs by America's high school students, 1975-1984 /

بواسطة Johnston, Lloyd
منشور في 1985

وثيقة رسمية كتاب

4

National survey results on drug use from the Monitoring the Future study, 1975-1997 /

National survey results on drug use from the Monitoring the Future study, 1975-1997 /

بواسطة Johnston, Lloyd
منشور في 1998

وثيقة رسمية كتاب

5

Drug use among American high school students, college students, and other young adults : national trends through 1985 /

Drug use among American high school students, college students, and other young adults : national trends through 1985 /

بواسطة Johnston, Lloyd
منشور في 1986

وثيقة رسمية كتاب