APPLICATION OF MATHEMATICAL MODEL TO THE ALMOST IDEAL DEMAND SYSTEM FOR THE FRUIT IMPORTS IN THE KINGDOM OF SAUDI ARABIA von Al Duwais, Abdulaziz M., Alderiny, Mahmoud M., kotb, Alaa A., Alropy, Eman T., Ahamed, Sharaf Eldin B., Baig, Mirza B.

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Impact of Gulf Cooperation Countries’ Foreign Direct Investment on Sudan’s Agricultural Exports von Alnafissa, Mohamad, Abdeen, Mohammed, Bashir, Kamaleldin, Alamri, Yosef, Alagsam, Fuad, Al-Duwais, Abdulaziz

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Estimating costs of environmental degradation resulting from not fully reusing treated wastewater von Ghanem, Adel M., Alnashwan, Othman S., Alrwis, Khaled N., Alqahtani, Safer H., Duwais, Abdulaziz, Alamri, Yosef A., Alagsam, Fuad, Kamara, Sahar A., Ahmed, Sharaf eldin B., Aldawdahi, Nageeb M.

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DO MARKETING OBJECTIVES AFFECT MARKETING EFFICIENCY? A CASE STUDY OF DATES MARKETING IN SAUDI ARABIA von Alabdulkader, Ahmed, Kahtani, Safar H. Al, Elhendy, Ahmed M., Al-Duwais, Abdulaziz M.

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