Development and the environmental crisis : proceedings of the symposium "the Malaysian environment in crisis" / 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. 1978.
Development and the environmental crisis : proceedings of the symposium "the Malaysian environment in crisis" / 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. 1978.