Preston SH, Heuveline P, Guillot M (2001) Demography: Measuring and Modeling
Population Processes. Blackwell Publishing, Oxford.
Newell C (1988) Methods and Models in Demography. The Guilford Press, New York.
Rowland DT (2003) Demographic methods and concepts. Oxford Univ. Press, Oxford.
Ministry of Home Affairs, India (2011) 2011 Census C-13. https://censusindia.gov.in/2011census/C-series/C-13.html