Kitabu hiki huenda hakitapatikana katika uchapishaji.
Proceedings of a workshop held in Ibadan, Nigeria, 27 April - 1 May 1981
164 pages
Maelezo ya Uchapishaji
- Limechapishwa: 1981
- Mchapishaji: The United Nations University
- Dewey Decimal: 631.58
- Maktaba ya ECHO: 631.58 MAC