Hoang, Trung Quang, Hoang Le Trung, Phuc Nguyen Van Hoang, and Hieu Quang Huu. “Optimizing Multi-Stage Language Models for Effective Japanese Legal Document Retrieval”. Engineering, Technology & Applied Science Research 15, no. 5 (October 6, 2025): 27672–27681. Accessed April 18, 2026. https://etasr.com/index.php/ETASR/article/view/12111.