Miss Roshni Rathour Y kumar, R joshi T mandavi, S bharti. Enhancing the Security of Data Using DES Algorithm along with Substitution Technique. int. jour. eng. com. sci [Internet]. 2016 May 2 [cited 2024 Nov. 22];5(10). Available from: http://ijecs.in/index.php/ijecs/article/view/2675