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International Programme on Chemical Safety ,  World Health Organization. Promotion of Chemical Safety Unit ,  United Nations Environment Programme ,  International Labour Organization ,  Inter-Organization Programme for the Sound Management of Chemicals ,  [Hazardous chemicals in human and environmental health : a resource book for school, college and university students]

World Health Organization. Prevention of Environmental Pollution Unit ,  International Programme on Chemical Safety ,  [GEENET Worldwide inventory of courses = Inventaire mondial de cours de formation = Inventorio mundial de cursos]

World Health Organization. Prevention of Environmental Pollution Unit ,  International Programme on Chemical Safety ,  [GEENET Worldwide inventory of courses = Inventaire mondial de cours de formation = Inventorio mundial de cursos]

International Programme on Chemical Safety ,  World Health Organization. Promotion of Chemical Safety Unit ,  United Nations Environment Programme ,  International Labour Organization ,  Inter-Organization Programme for the Sound Management of Chemicals ,  [Hazardous chemicals in human and environmental health : a resource book for school, college and university students]