“METHODS FOR ADAPTING LEXICAL UNITS TO THE LEARNER’S LEVEL IN LANGUAGE ACQUISITION (ZIPF-PARETO FRACTAL METHOD)” (2025) International journal of artificial intelligence, 5(08), pp. 14–19. Available at: https://www.academicpublishers.org/journals/index.php/ijai/article/view/5995 (Accessed: 13 May 2026).