Chinvararak, Chotiman, Natsara Dumrongpiwat, Puangsoi Worakul, and Sookjaroen Tangwongchai. “Cognitive impairment and associated factors in the elderly at Pracha Niwet Village in Thailand”. Chulalongkorn Medical Journal 63, no. 2 (August 15, 2023). accessed April 9, 2025. https://he05.tci-thaijo.org/index.php/CMJ/article/view/278.