D. K. Yadav, G. S. Shukla, N. Gupta, N. Shrestha, A. Singh, and H. P. Kaphle, “Maternal and Obstetric Factors Associated with Low Birth Weight: Matched case control study”, J Nepal Health Res Counc, vol. 17, no. 4, pp. 443-450, Jan. 2020.