Lloyd D. Johnston
13 works on record
Works
Handbook of Northwestern plants
1967
Smoking, drinking, and drug use in young adulthood
The education-drug use connection
Monitoring the Future, 1986
Monitoring the Future
National Survey Results on Drug Use from the Monitoring the Future Study, 1975-2003 Vol. 1
National Survey Results on Drug Use from the Monitoring the Future Study, 1975-1995, Secondary School Students
Monitoring the Future: Questionnaire Responses from the Nation's High School Seniors, 1991 (Monitoring the Future: Questionaire Responses from the Nation's High School Seniors)
Monitoring the Future : Questionnaire Responses from the Nation's High School Seniors, 1992 (Monitoring the Future
Monitoring the Future: Questionnaire Responses from the Nation's High School Seniors, 1990 (Monitoring the Future: Questionaire Responses from the Nation's High Schoolseniors, 1990)
Monitoring the Future: Questionnaire Responses from the Nation's High School Seniors, 1992 (Monitoring the Future: Questionnaire Responses from the Nation's High School Seniors)
Review of general population surveys of drug abuse
Monitoring the Future: Questionnaire Responses from the Nation's High School Seniors 1993 (Monitoring the Future: Questionnaire Responses from the Nation's High School Seniors)