Nuibandan, Aree, Ratjai Vachprasit, and Duangsuda Siripituptum. 2016. “The Effect of Bud-Dho Concentrating Meditation Practice on Quality of Sleep in Nursing Students, Prince of Songkla University”. Journal of Research in Nursing-Midwifery and Health Sciences 36 (4):29-39. https://he02.tci-thaijo.org/index.php/nur-psu/article/view/73464.