Rana Ejaz Ali Khan, and Khadija Malik Bari. “Revealing Ideal Number of Children by Households: A Socioeconomic Analysis Using Pakistan Demographic and Health Survey”. Pakistan Journal of Commerce and Social Sciences, vol. 8, no. 3, Sept. 2014, pp. 887-99, https://jes.ac.pk/index.php/jes/article/view/466.