1. Gaur, M., Sharma, M.: A new PDAC (Parallel Encryption with Digit Arithmetic of Cover Text) based text steganography approach for cloud data security. Int. J. Recent Innov. Trends Comput. Commun. 3(3), 1344–1352 (2015)
2. Kataria, S., Singh, B., Kumar, T., Shekhawat, H.S.: PDAC (Parallel Encryption with Digit Arithmetic of Cover Text) Based Text Steganography (2013)
3. Chaudhary, S., Mathur, P., Kumar, T., Sharma, R.: A capital shape alphabet encoding (CASE) based text steganography. In: Conference on Advances in Communication and Control Systems, (CAC2S 2013), India (2013)
4. Kataria, S., Singh, B., Kumar, T., Shekhawat, H.S.: An efficient text steganography using digit arithmetic. In: Fourth International Joint Conference of Advances in Engineering and Technology in Elsevier Science and Technology, NCR India, December 2013, vol. 6, pp. 155–163 (2013)
5. Agarwal, M.: Text steganographic approaches: a comparison. Int. J. Netw. Secur. Appl. (IJNSA) 5(1), 91–106 (2013)