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  • Unasylva / Food and Agricultural Organization of the United Nations.
    • 634.905
    • Information Service of F.A.O.,
    • Washington, D.C. :





  • ESCWA Energy Bulletin.
    • 333.790956
    • United Nations,
    • New York :




  • International social science journal.
    • 305
    • Blackwell Publishing
    • Oxford :





  • العلم و المجتمع.
    • 500
    • مركز مطبوعات اليونسكو
    • القاهرة :





  • Twas newsletter : a publication of the world academy of sciences.
    • The World Academy of Sciences for the advancement of sciences in developing countries
    • Trieste, Italy :