salh mahdi brhan, D. (2011). Foreign trade in goods and services industries, technological knowledgeEnvironment, the economies of Arab countries, selected a case study comparison. , 1(5), 21-47.
dr salh mahdi brhan. "Foreign trade in goods and services industries, technological knowledgeEnvironment, the economies of Arab countries, selected a case study comparison". , 1, 5, 2011, 21-47.
salh mahdi brhan, D. (2011). 'Foreign trade in goods and services industries, technological knowledgeEnvironment, the economies of Arab countries, selected a case study comparison', , 1(5), pp. 21-47.
salh mahdi brhan, D. Foreign trade in goods and services industries, technological knowledgeEnvironment, the economies of Arab countries, selected a case study comparison. , 2011; 1(5): 21-47.


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