Progress made towards sustainable and environmentally sound development : report / submitted by the United Nations Educational, Scientific and Cultural Organization (UNESCO).
1989
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رمز / رقم الاستدعاء
E/1989/L.25/Add.2
العنوان
Progress made towards sustainable and environmentally sound development : report / submitted by the United Nations Educational, Scientific and Cultural Organization (UNESCO).
المؤلفون
معلومات عن جدول الأعمال
تاريخ
Geneva : UN, 3 July 1989.
الوصف
17 p.