“A New Validity Function for Using The Genetic Algorithm to Break Encrypted Arabic and English Text Codes in the Way of Nabsak-Merkel”. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 25, no. 6 (January 16, 2018): 1896–1905. Accessed April 19, 2025. https://journalofbabylon.com/index.php/JUBPAS/article/view/677.