Manual of the general conference : 1988 edition, including texts and amendments adopted by the general conference at its twenty- fouth session (Paris, 1987).
- 1988 ed.
- Paris : Unesco, 1988.
- 169 p.
55051512
Unesco general conference, 1987). Paris : (24th :
Unesco.
55051512
Unesco general conference, 1987). Paris : (24th :
Unesco.