CNPC plans upgrade in efforts to fight smog.Published in:TCE: The Chemical Engineer, 2013, n. 862, p. 11Publication type:Article
COMPANY BRIEF: Oil.Published in:Africa Research Bulletin: Economic, Financial & Technical Series, 2016, v. 53, n. 10, p. 21477A, doi. 10.1111/j.1467-6346.2016.07367.xPublication type:Article