![](https://webarchive.unesco.org/web/20240324084627im_/https://www.iiep.unesco.org/sites/default/files/styles/publication-detail/public/thumb_pub_77105_en.png?itok=N6DN7nG4)
Languages
English
Co-publisher
USA. Agency for International Development
Year
1967
Pages
3 v., illus.
ISBN
92-803-1019-4 (vol.1); 92-803-1020-8 (vol.2); 92-803-1021-6 (vol.3)
Country