Nasution, Yulia Afrina, Zulhaida Lubis, and Fazidah Aguslina Siregar. 2021. “Risk Factors of Type 2 Diabetes Mellitus in Elderly”. Journal of Epidemiology and Public Health 6 (2):232-44. https://jepublichealth.com/index.php/jepublichealth/article/view/406.