00313nam a22000857a 4500008004100000082001700041245013000058260002900188300001000217230606b        xxu||||| |||| 00| 0 eng d  a338.27282096  aPetroleum Marketing in AfricabIssues in  Pricing, Taxation and InvestmentcAfrican Energy Policy Research Network (ADREPREN)  aUSAbZed Books Ltdc1999  a210 p