Tanyuda Booranawut และ Nattasuda Taephant. (2011) State of happiness of single women aged 35 and above. <i>Journal of Mental Health of Thailand</i>, <i>19</i>(3), 199-207.Tanyuda Booranawut และ Nattasuda Taephant. "State of happiness of single women aged 35 and above". Journal of Mental Health of Thailand 19 (2011):199-207.Tanyuda Booranawut และ Nattasuda Taephant. State of happiness of single women aged 35 and above. Department of Mental Health Thailand:ม.ป.ท. 2011.