Chonirat, Apiradee, Virapun Wirojratana, Kanaungnit Pongthavornkamol, and Sariyamon Tiraphat. 2020. “Factors predicting healthy ageing of older adults”. Thai Journal of Cardio-Thoracic Nursing 31 (1). Bangkok, Thailand:93-108. https://he02.tci-thaijo.org/index.php/journalthaicvtnurse/article/view/243982.