ลาลาด ธ., ธีระทองคำ แ., and อินทรสมบัติ ป. “A Research Synthesis Related to Yoga Exercise for Persons with Low Back Pain”. Thai Journal of Nursing and Midwifery Practice, vol. 2, no. 2, Apr. 2018, pp. 60-72, https://he02.tci-thaijo.org/index.php/apnj/article/view/121058.