Offset Publications
5 primary works
Book 50
Methodology for Student Drug-use Surveys
by PH Hughes, L D Johnston, and Reginald George Smart
Published 1 January 1980
Book 52
Book 55
Book 56
Core Data for Epidemiological Studies of Nonmedical Drug Use
by PH Hughes, U. Khant, M.E. Medina Mora, and J. Venulet
Published March 1981
Book 60
Drug Use Among Non-student Youth
by A. Arif, PH Hughes, and M.E. Medina Mora
Published 1 January 1981