Al Muallem، A. S.، و Reeder، G. (1986). The effect of a prescription drug copayment program on the utilization of medical services by hypertensive medicaid recipients (رسالة ماجستير غير منشورة). University of South Carolina، كارولينا. مسترجع من http://search.mandumah.com/Record/615633
Al Muallem، Ahmed Sulyman، و Gene Reeder. "The Effect of a Prescription Drug Copayment Program On the Utilization of Medical Services By Hypertensive Medicaid Recipients" رسالة ماجستير. University of South Carolina، كارولينا، 1986. مسترجع من http://search.mandumah.com/Record/615633