Almoghirah Abdellah และ Sothitorn Mallikamas. (2012) Technical efficiency of public insurance health centers in Gezira State of Sudan. Chulalongkorn University:ม.ป.ท.Almoghirah Abdellah และ Sothitorn Mallikamas. 2012. Technical efficiency of public insurance health centers in Gezira State of Sudan. ม.ป.ท.:Chulalongkorn University;Almoghirah Abdellah และ Sothitorn Mallikamas. Technical efficiency of public insurance health centers in Gezira State of Sudan. ม.ป.ท.:Chulalongkorn University, 2012. Print.