Lan Do Thi Phuong และ Sothitorn Mallikamas. (2009) Technical efficiency of commune health centers in rural Red river delta of Vietnam. Chulalongkorn University:ม.ป.ท.Lan Do Thi Phuong และ Sothitorn Mallikamas. 2009. Technical efficiency of commune health centers in rural Red river delta of Vietnam. ม.ป.ท.:Chulalongkorn University;Lan Do Thi Phuong และ Sothitorn Mallikamas. Technical efficiency of commune health centers in rural Red river delta of Vietnam. ม.ป.ท.:Chulalongkorn University, 2009. Print.