@inproceedings{paperid:1094156, author = {Mansoori, Amin and Effati, Sohrab and Eshaghnezhad, Mohammad}, title = {Optimal Control Model of COVID-19 based on Chronic Diseases}, booktitle = {پنجمین سمینار ملی کنترل و بهینه سازی}, year = {2023}, location = {یزد, IRAN}, keywords = {COVID-19; optimal control; dynamical system.}, }