Wathinee Boonchalaksi00 Mahidol University. Institute for Population and Social Research2011-02-142011-02-142000-04-192000-04-19http://imsear.searo.who.int/handle/123456789/129282Thesis (Ph.D. (Demography))--Mahidol University,2000eng tha engInstitute for Population and Social Research: Mahidol UniversityFamily sizeAgedThesis