Manual of the General Conference
Manual of the General Conference
- 169 páginas
"1986 edition, including text and amendments adopted by the General Conference at its twenty - third session (Sofía, 1985)".
UNESCO--Reglamentos.
A54.U8 / A423 1986
"1986 edition, including text and amendments adopted by the General Conference at its twenty - third session (Sofía, 1985)".
UNESCO--Reglamentos.
A54.U8 / A423 1986