PTTI study trip in West and Central Africa 26 December 1960- 11 February 1961
PTT-Bulletin, July-December 1961. Stencil.
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Postal, Telegraph and Telephone International,
1961.
Berne : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/72AD00DA-0C25-4327-8E1A-5F2DEC74D1A4 |