ALHASSAN CHARITY JUMAI, and AKPAGHER, AONDOTSEA CALEB. 2025. “USING NONLINEAR MATHEMATICAL MODEL TO STUDY THE IMPACT OF INFECTIOUS DISEASE ON CORONAVIRUS DISEASE IN A FUZZY ENVIRONMENT”. Journal of Systematic and Modern Science Research 7 (9). https://doi.org/10.70382/bejsmsr.v7i9.004.