Arunsawas, Phakamat, Chaweewon Boonshuyar, and Natnaree Aimyong. “Environmental and Psychological Factors as Predictors of Chronic Low Back Pain among Thai Elderly in Samutprakarn Province, Thailand”. Journal of Health Research 31, no. 2 (March 15, 2017): 151–157. accessed December 10, 2025. https://he01.tci-thaijo.org/index.php/jhealthres/article/view/79752.