Hazrat, H., S. Ahmed, and S. Noushad. “The Association of Maternal Age, Body Mass Index, Physical Activity With Gestational Diabetes Mellitus”. International Journal of Endorsing Health Science Research (IJEHSR), Vol. 6, no. 3, Sept. 2018, pp. 25-33, doi:10.29052/IJEHSR.v6.i3.2018.25-33.