Tamdee, Patrapan, Suphot Dendoung, Mullika Muttiko, and Luechai Sringernyuang. 2016. “Modern social life and never-married women’s health problems”. Kasetsart Journal of Social Sciences 37 (1):15-21. https://so04.tci-thaijo.org/index.php/kjss/article/view/242823.