Statistical yearbook, 1974 ; Annuaire statistique, 1974
Statistical yearbook, 1974 ; Annuaire statistique, 1974
- Paris : UNESCO, 1975.
- 894 p.
9230012947
OC 31 (100) =20=40 "1974" STA
9230012947
OC 31 (100) =20=40 "1974" STA