Venezuela's oil
Betancourt, Rómulo, 1908-1981
Venezuela's oil - London : George Allen & Unwin, 1978. - 275 p.
Bibliografía: p. 274-275.
0043380832
INDUSTRIA PETROLERA--VENEZUELA
Venezuela's oil - London : George Allen & Unwin, 1978. - 275 p.
Bibliografía: p. 274-275.
0043380832
INDUSTRIA PETROLERA--VENEZUELA