Wichain, K. “Dependency, Self-Esteem, and Depression of The Elderly at Thakanon Sub-D District, Kiriratnikom District in Suratthani Province”. Mahachula Academic Journal, vol. 11, no. 2, Aug. 2024, pp. 170-9, https://so04.tci-thaijo.org/index.php/JMA/article/view/266787.