Azix, S.Aftercare For Drug Addicts. In K. V. Veloo (ed.) National Anti-Drug AbuseCampaign83. Singapore: Singapore Anti-Narcotics Association, pp. 38-41, 1983.
2.
Ong, T.H.Psychological Characteristics of Drug Abusers in Singapore, a paper presented at the 3rd Asian Regional Conference of International Association for Gross-Cultural Psychology, Bangi, Malaysia, 2-5 May, 1983.
3.
Singapore Anti-Narcotics Association. Second Annual Report 1973-1974.
4.
Singapore Anti-Narcotics Association. Third Annual Report 1974-1975.
Tee, T.B.Drug Abuse in Singapore — the Overall Policy, a paper presented at the 10th National Medical Convention of the Singapore Medical Association, Singapore, March 23, 1979.