Ghosh S, Das P, Nath I, Singh D, Sahana S. NTCETLS: A Novel Technique For Cryptography Ensuring Two Level Security. Int. J. Comp. Sci. Eng. [Internet]. 2020 Feb. 28 [cited 2026 Feb. 2];8(1):19-24. Available from: https://ijcse.isroset.org/index.php/j/article/view/5981