MURAD, M.; ASHRAF, M. W.. The Evolution of WordPress and Django Web Frameworks Using Lehman’s Laws. NFC IEFR Journal of Engineering and Scientific Research, [S.l.], v. 7, p. 35-46, oct. 2020. ISSN 2521-0114. Available at: <https://nijesr.com/ojs/index.php/archive/article/view/270>. Date accessed: 17 may 2021.