Jannah, N. W., L. Aryati, and F. Adi-Kusumo. “A Mathematical Model of Social Interaction Between the Sufferers of Cardiovascular and Type 2 Diabetes Mellitus”. Communication in Biomathematical Sciences, vol. 7, no. 1, June 2024, pp. 87-105, doi:10.5614/cbms.2024.7.1.5.