Jetwarapong, Orawan, Orapin Laosee, and Aroonsri Mongkolchati. 2019. “Determinants of Cognitive Impairment Among Adults 50 Years and Older in Thailand”. Interdisciplinary Research Review 14 (5):18-24. https://ph02.tci-thaijo.org/index.php/jtir/article/view/224971.