Zeb, J., M. Mustajab, M. Zeeshan, S. Ullah, S. Qasim, and Z. Khalil. “Nursing Mothers Knowledge, Attitude And Practice towards Breast Feeding”. Pakistan Journal of Medicine and Dentistry, vol. 6, no. 4, Feb. 2018, pp. 39-43, http://ojs.zu.edu.pk/ojs/index.php/pjmd/article/view/19.