Sulma, S., Toaha, S., & Kasbawati, K. (2020). Stability Analysis of Mathematical Models of the Dynamics of Spread of Meningitis with the Effects of Vaccination, Campaigns and Treatment. Jurnal Matematika, Statistika Dan Komputasi, 17(1), 71–81. https://doi.org/10.20956/jmsk.v17i1.10031