Institute of National Planning. (1974). An Economic study of the Egyptian cement industry. Institute of National Planning.
Chicago-čujuhus (17. p.)Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Cairo: Institute of National Planning, 1974.
MLA-čujuhus (9. p.)Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Institute of National Planning, 1974.
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