Institute of National Planning. (1974). An Economic study of the Egyptian cement industry. Institute of National Planning.
Tohutoru Kātū Chicago (17th ed.)Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Cairo: Institute of National Planning, 1974.
Tohutoro MLA (9th ed.)Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Institute of National Planning, 1974.
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