Proceeding of the Symposium on Biological Resources and National Development - Seminar on Biological Resources and National Development Kuala Lumpur); Singh, K. G.; Soepadmo, E.; Universiti Malaya. Fakulti Pertanian (Kuala Lumpur : Malayan Nature Society, 1973)
References : p .119-120
Keywords: Agricultural resources -- Malaysia -- Congresses; Natural resources -- Malaysia -- Congresses