International conventions and protocols in the field of the environment : note / by the Secretary-General.
إمكانية الوصول
English:A_C.2_48_2-EN - PDF ; Español:A_C.2_48_2-ES - PDF ; Français:A_C.2_48_2-FR - PDF ; Русский:A_C.2_48_2-RU - PDF ; العربية:A_C.2_48_2-AR - PDF ; 中文:A_C.2_48_2-ZH - PDF ;
