Showing 1 - 2 results of 2 for search 'El-Kholy, Osama A.', query time: 0.01s Refine Results
  1. 1
    The World environment, 1972-1992: two decades of challenge
    book biblioteca
    UNESCO


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  2. 2
    The world environment: 1972 - 1992: two decades of challenge
    Published 2016-07-05T13:24:55Z
    Other Authors: “...Tolba, Mostafa K., El-Kholy, Osama A....”
    biblioteca
    ONU


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