TY  - GEN
AU  - Smart,R.G.
AU  - Hughes P. H.
AU  - Johnston, L. D.
AU  - Anumonye, A.
AU  - Khant, U.
AU  - Mora, Maria Elena Medina
AU  - Navaratnam, V.
AU  - Poshyachinda, Vichai
AU  - Varma, V. K.
AU  - Wadud, K. A.
ED  - World Health Organization.
TI  - A methodology for student drug-use surveys
T2  - WHO offset publication ; no. 50
SN  - 9241700505
PY  - 1980///
CY  - Geneva : 
PB  - World Health Organization
KW  - Substance abuse
KW  - In adolescence
KW  - Substance-related disorders
KW  - Data collection methods
ER  -