Orathai Vejbhumi. 2009. Parental caregiving among the sandwich generation in Bangkok metropolitan area. School of Applied Statistics, National Institute of Development Administration;
Orathai Vejbhumi. (2009) Parental caregiving among the sandwich generation in Bangkok metropolitan area . National Institute of Development Administration/Bangkok.
Orathai Vejbhumi. Parental caregiving among the sandwich generation in Bangkok metropolitan area. . Bangkok:National Institute of Development Administration, 2009.
Orathai Vejbhumi. (2009) Parental caregiving among the sandwich generation in Bangkok metropolitan area . National Institute of Development Administration/Bangkok.