World directory of national science and technology policy making bodies.
- Paris : Unesco, c 1990.
- xix, 227 p. ; 30 cm.
- Science policy studies and documents. N. 71. .
86 86
92-3-002711-1
Directory.
502.5 / U2w
86 86
92-3-002711-1
Directory.
502.5 / U2w