Prashant Verma and  K. K. Singh and  Anjali Singh and  Ujjaval Srivastava,  Reduction in Population Growth under Various Contraceptive Strategies in Uttar Pradesh, India.   journal   = {International Journal of Medical and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2018, vol. 140(8). 327 - 332
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10009354.