Aim-on Charrurangsri และ Somchart Torugsa. (2012) The development of the essential living skills for succssful aging among Thai urban elders. Mahidol University:ม.ป.ท.Aim-on Charrurangsri และ Somchart Torugsa. 2012. The development of the essential living skills for succssful aging among Thai urban elders. ม.ป.ท.:Mahidol University;Aim-on Charrurangsri และ Somchart Torugsa. The development of the essential living skills for succssful aging among Thai urban elders. ม.ป.ท.:Mahidol University, 2012. Print.