Dr. Swati Yadav, and Dr. Rajesh Kumar Bharti. “To Determine Age of Appearance of Secondary Sexual Character and Age of Menarche in Working Girls of Urban Slum Area”. Pediatric Review: International Journal of Pediatric Research, Vol. 6, no. 10, Oct. 2019, pp. 516-20, doi:10.17511/ijpr.2019.i10.04.