Twitchell, K.S.
Saudi Arabia, with an account of the development of its natural resources / by K.S. Twitchell, with the collaboration of Edward J. Jurji
Princeton University Press, 1953
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Twitchell, K.S.
Saudi Arabia : with an account of the development of its natural resources / by K. S. Twitchell
Princeton University, 1958
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The Kingdom of Saudi Arabia: modernization and development
Al-Arabi Printing Press, 2002
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The Kingdom of Saudi Arabia : Modernization and development
The Arab Printing Press, 2002
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Al-Farsy, Fouad
Saudi Arabia : a case study for development
KPI, 1986
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