วงศ์นิศานาถกุล ก. “Health Literacy among Diabetic Patients at the Family Practice Center of Phra Nakhon Si Ayutthaya Hospital”. Journal of Preventive Medicine Association of Thailand, vol. 8, no. 1, May 2018, pp. 49-61, https://he01.tci-thaijo.org/index.php/JPMAT/article/view/126383.