Higuchi และผู้แต่งคนอื่นๆ. 1999. Quality of life and life satisfaction of elderly people in Salaya, Thailand. Faculty of Graduate Studies, Mahidol University;
Higuchi และผู้แต่งคนอื่นๆ. (1999) Quality of life and life satisfaction of elderly people in Salaya, Thailand . Mahidol University/Bangkok.
Higuchi และผู้แต่งคนอื่นๆ. Quality of life and life satisfaction of elderly people in Salaya, Thailand. . Bangkok:Mahidol University, 1999.
Higuchi และผู้แต่งคนอื่นๆ. (1999) Quality of life and life satisfaction of elderly people in Salaya, Thailand . Mahidol University/Bangkok.