Vocational Rehabilitation and the Employment of the Disabled: A Glossary Cota b-02412 Tipologia Linguística Autor International Labour Office Edição International Labour Office Data 1981 Páginas 182
Water, Sanitation, Health - For All? Cota b-01412 Tipologia Educação Autor Vários Edição International Inst. for Environment and Development Data 1981 Páginas 148 Water, Sanitation, Health - For All? Prospects for the International Drinking Water Supply and Sanitation Decade, 1981-90