Dr. S.Thanga Ramya , Dr.D.Praveena, Dr.B.Kalpana, B.Nithish Kumar, P.Muralidharan,. “Enhanced Features Based Private Virtual Card”. Annals of the Romanian Society for Cell Biology, Apr. 2021, pp. 17867-72, http://www.annalsofrscb.ro/index.php/journal/article/view/7913.