Anand kumar Pandey, Rashmi Pandey, Neeraj Goyal, Pooja Jain. “Performance Analysis of Multi Agent System and Rule Based Expert System Design Approach Using Covid-19 Vaccination Progress”. Design Engineering, no. 1, Apr. 2022, pp. 3047 -53, http://thedesignengineering.com/index.php/DE/article/view/9369.