A Systematic Review on Text Summarization: Techniques, Challenges, Opportunities. - Kanta Prasad Sharma; Mohd Shukri Ab Yajid; J. Gowrishankar; Rohini Mahajan; Anas Ratib Alsoud; Abhilasha Jadhav; Devendra Singh (Expert Syst. J. Knowl. Eng., 2025)