Statistical yearbook 1975 = Annuaire statistique 1975.
Statistical yearbook 1975 = Annuaire statistique 1975.
- París : UNESCO, 1976.
- 767 p.
Contiene: Reference tables -- Education -- Science and technology -- Culture and communication
9230014125
CIENCIA ---ANUARIOS
TECNOLOGIA ---ANUARIOS
Contiene: Reference tables -- Education -- Science and technology -- Culture and communication
9230014125
CIENCIA ---ANUARIOS
TECNOLOGIA ---ANUARIOS