Shakya, R., J. Shrestha, and P. Thapa. “Comparative Study on Safety and Efficacy of Cervical Ripening Agents Misoprostol and Dinoprostone in the Induction of Labour”. Nepal Journal of Obstetrics and Gynaecology, vol. 3, no. 2, July 2014, pp. 16-20, https://nepjol.info/index.php/NJOG/article/view/10826.