Search Results       Your search for [author]Mohammad, Yousuf H. (Yousuf Hasan) returned 1 record.           World oil prices : demand, supply, and substitutes. by Mohammad, Yousuf H. (Yousuf Hasan); Boulder, Colo.: International Research Center for Energy and Economic Development, 1990. Subject: Petroleum products -- Prices.          Add to Book Cart Relevance: 52.04%