จิตต์จันทร์ ณ., ส่งเสริม น., and วงศ์เหลา เ. “Severity, Self-Care Behaviors and Factors Related to the Severity of Osteoarthritis in Patients in Sunpasitthiprasong Hospital, Ubon Ratchathani Province”. UBRU Journal for Public Health Research, vol. 7, no. 1, June 2018, pp. 69-81, https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/162785.