Chaiyanukool, T. (2020) “Development of Health Literacy of the Elderly at Khamkrang Sub-district, Detudom District, Ubon Ratchathani Province”, Health Science Journal of Thailand, 2(3), pp. 73–79. available at: https://he02.tci-thaijo.org/index.php/HSJT/article/view/247666 (accessed: 21 September 2026).