Ghimire, S., D. Sharma, S. Dhakal, and G. Baral. “Comparison Between Sublingual and Vaginal Misoprostol for Induction of Labour in Primigravida”. Nepal Journal of Obstetrics and Gynaecology, vol. 13, no. 3, Dec. 2018, pp. 51-55, https://www.nepjol.info/index.php/NJOG/article/view/23509.