Banerjee, Smita Singh, and Vasanti Arole. “Sequential Development of Human Fetal Pancreatic Islets of Langerhans Cells: A Histopathological Study”. Asian Journal of Medical Sciences, vol. 9, no. 5, Aug. 2018, pp. 67-72, https://nepjol.info/index.php/AJMS/article/view/20292.