Hemant KUMAR. Study on Some Inequalities of a Formula of Population Size due to Epidemics Model Problem. Theory and Practice of Mathematics and Computer Science Vol. 7, [S. l.], p. 51–56, 2021. DOI: 10.9734/bpi/tpmcs/v7/2800D. Disponível em: https://stm.bookpi.org/TPMCS-V7/article/view/155. Acesso em: 4 jun. 2026.