organised by the Consumers' Association of Penang, the School of Biological Sciences, Universiti Sains Malaysia, and Sahabat Alam Malaysia held at Recsam complex, Penang, 16 Sept.-20 Sept. 1978The Association1982
organised by Universiti Kebangsaan Malaysia and Monitoring and Assessment Research Centre, King's College, University of London ; edited by Sham Sani, M. Ahmad BadriPenerbit Universiti Kebangsaan Malaysia1988