Srivarsan S., Suriya Prakash N., Shailesh M., Varunsevvel M,. 2024. “VARIED PIN ENTRY SYSTEM USING DYNAMIC PASSWORD”. Obstetrics and Gynaecology Forum 34 (2s):130-34. http://obstetricsandgynaecologyforum.com/index.php/ogf/article/view/95.