Dejkong, T. “The Effectiveness of Motivational Interviewing Per Hemoglobin A1C Control Level in Poor Control Type 2 Diabetes Mellitus Patients”. Journal of Disease and Health Risk DPC.3, vol. 14, no. 2, Jan. 2021, pp. 16-25, https://he01.tci-thaijo.org/index.php/JDPC3/article/view/229859.