Provisional report
Publisher: United Nations, Economic Commission for Latin America
Published: 1963
Place of publication: New York?]
Language: eng
Number of pages: 401
Notes: "[Document] (United Nations) ; E/CN.12/639."

"[Document] (United Nations) ; UNESCO/ED/CEDES 37/Rev.1 and Add.1-2-3."

"[Document] (United Nations) ; ST/ECLA/CONF.10/L.37/Rev.1 and Add. 1-2-3."