Haider, Waqas, Muhammad Sharif, Hadia Bashir, Mudassar Raza, and Mussarat Yasmin. 2016. “Prefix Oriented N4WA Coding Scheme for Improved Tampering Detection in Relational Data”. Kuwait Journal of Science 43 (2). https://journals.ku.edu.kw/kjs/index.php/KJS/article/view/574.