The drug user and the law: a survey of drug offendersbefore the courts and in prison, Penang and Selangor states, by V.Navaratnam and Christopher Spencer - Navaratnam V.; Spencer, Christopher; Universiti Sains Malaysia (Pulau Pinang, Universiti Sains Malaysia, 1977, 1980)
Keywords: Drug abuse surveys - Penang and Selangor