Sirisopon, Nutthakritta, and Theerapon Phungdee. 2020. “Development of Self-Efficacy to Diet and Exercise Behaviors Intention of Type 2 Diabetes Mellitus Patients”. Journal of The Royal Thai Army Nurses 21 (1):165-75. https://he01.tci-thaijo.org/index.php/JRTAN/article/view/241528.