Vaikunta Pai T, A. Jayanthila Devi, and P. S. Aithal. “A Systematic Literature Review of Lexical Analyzer Implementation Techniques in Compiler Design”. International Journal of Applied Engineering and Management Letters (IJAEML), vol. 4, no. 2, Dec. 2020, pp. 285-01, https://supublication.com/index.php/ijaeml/article/view/448.