Nilawan Upakdee. 2008. Purchasing for outpatient care at tertiary level : a case study in Bangkok Metropolitan. Field of Study Health Systems and Policy, Naresuan University;
Nilawan Upakdee. (2008) Purchasing for outpatient care at tertiary level : a case study in Bangkok Metropolitan . Naresuan University/Phitsanulok.
Nilawan Upakdee. Purchasing for outpatient care at tertiary level : a case study in Bangkok Metropolitan. . Phitsanulok:Naresuan University, 2008.
Nilawan Upakdee. (2008) Purchasing for outpatient care at tertiary level : a case study in Bangkok Metropolitan . Naresuan University/Phitsanulok.