Ladda Thiamwong. 2008. Development and psychometric testing of the healthy aging instrument. Field of Study Nursing, Mahidol University;
Ladda Thiamwong. (2008) Development and psychometric testing of the healthy aging instrument . Mahidol University/Bangkok.
Ladda Thiamwong. Development and psychometric testing of the healthy aging instrument. . Bangkok:Mahidol University, 2008.
Ladda Thiamwong. (2008) Development and psychometric testing of the healthy aging instrument . Mahidol University/Bangkok.