1.
Rangkuti YM, Setia Sinaga M. APPROXIMATE SOLUTION OF VACCINATION, SUSCEPTIBLE, EXPOSED, INFECTED, RECOVERED (VSEIR) MODEL OF TUBERCULOSIS IN NORTH SUMATERA INDONESIA. Malaysian J. Sci. [Internet]. 2015 Dec. 31 [cited 2024 Nov. 20];34(2):185-91. Available from: https://samudera.um.edu.my/index.php/MJS/article/view/6566