TY  - SER
AU  - El-Badri,Abdalla
TI  - Opec: give us certainty to invest
PY  - 2010///
N2  - Transcripción del resumen del autor. Crude oil prices are in the range Opec wants. But uncertainty about the demand outlook remains a worry. Derek Brower interviews the group's secretary-general, Abdalla El-Badri
ER  -