Hamou Reda Mohamed, Lokbani Ahmed Chaouki, Ahmed Lehireche, and Rahmani Mohamed. “TEXT CLUSTERING BASED ON THE N-GRAMS BY BIO INSPIRED METHOD (IMMUNE SYSTEMS)”. Researchers World - International Refereed Social Sciences Journal 1, no. 1 (August 18, 2021): 56–70. Accessed August 3, 2025. https://www.researchersworld.com/index.php/rworld/article/view/122.