Rāingān kānsamrūat prachākō̜n sūng ʻāyu nai Prathēt Thai, Phō̜. Sō̜. 2537 =: Report of the 1994 survey of elderly in Thailand by Thailand | Menrva Books | MenrvaBooks
Rāingān kānsamrūat prachākō̜n sūng ʻāyu nai Prathēt Thai, Phō̜. Sō̜. 2537 =: Report of the 1994 survey of elderly in Thailand