Aneela Arshad, Safdar Ali Shirazi, Sumaira Kausar, Muhammad Nasar u Minallah, & Saadia Sultan Wahla. (2017). Spatial Distribution and Trends of Fertility Differentials in Toba Tek Singh District, Punjab-Pakistan. Journal of Basic & Applied Sciences, 13, 154–160. https://doi.org/10.6000/1927-5129.2017.13.26