@article{article7b2b7205,
title   = {Competitive strategies and strategic positioning of oil companies in the international oil business: theory and pratice in perspective},
author = {Santos, Edmilson Moutinho dos and Carneiro, Jorge Manoel Teixeira and Cavalcanti, Maria Alice Deschamps Ferreira},
year = {1999},
journal   = {Revue de L'Energie}
}