“An Approach for Multi-Document Text Summarization Using Extreme Learning Machine and LexRank”. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) 7, no. 5 (May 25, 2021): 19–28. Accessed July 3, 2024. https://ijerat.com/index.php/ijerat/article/view/542.