Pichai Tangsathapornphanich และ Kalayanee Senasu. (2017) The effects of socioeconomic status, work-life balance and mental health on happiness among Thai workforces. National Institute of Development Administration:ม.ป.ท.Pichai Tangsathapornphanich และ Kalayanee Senasu. 2017. The effects of socioeconomic status, work-life balance and mental health on happiness among Thai workforces. ม.ป.ท.:National Institute of Development Administration;Pichai Tangsathapornphanich และ Kalayanee Senasu. The effects of socioeconomic status, work-life balance and mental health on happiness among Thai workforces. ม.ป.ท.:National Institute of Development Administration, 2017. Print.