Javed และ Anjum. (2005) Patient satisfaction towards out patient department services in Pakistan Institute of Medical Sciences, Islamabad. Mahidol University,:ม.ป.ท.Javed และ Anjum. 2005. Patient satisfaction towards out patient department services in Pakistan Institute of Medical Sciences, Islamabad. ม.ป.ท.:Mahidol University,;Javed และ Anjum. Patient satisfaction towards out patient department services in Pakistan Institute of Medical Sciences, Islamabad. ม.ป.ท.:Mahidol University, 2005. Print.