2020. New Data Transmission Method Based On Book Cipher Enhanced With ASCII Mapping . International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) DOI: 10.31695/IJERAT. 6, 3 (Mar. 2020), 01–06. DOI:https://doi.org/10.31695/IJERAT.2020.3604.