Sulayman∗, F., Yakubu*, A. ., Muhammad*, A. ., Abubakar‡, S. ., & Bako§, D. U. (2023). Mathematical model for COVID-19 transmission with impact of vaccination. International Journal of Mathematical Analysis and Modelling, 6(1). Retrieved from https://tnsmb.org/journal/index.php/ijmam/article/view/85