Shahid, M. , Khan, N. , Hussain, M. , Ali, M. , Mansoor, A.. "Vaccinated Susceptible Infected and Recovered (VSIR) Mathematical Model to Study the Effect of Bacillus Calmette-Guerin (BCG) Vaccine and the Disease Stability Analysis". World Academy of Science, Engineering and Technology, Open Science Index 98, International Journal of Mathematical and Computational Sciences, (2015), 9(2), 122 - 126.