Improving Deep Assertion Generation via Fine-Tuning Retrieval-Augmented Pre-Trained Language Models. - Zhang, Quanjun; Fang, Chunrong; Zheng, Yi; Zhang, Yaxin; Zhao, Yuan; Huang, Rubing; Zhou, Jianyi; Yang, Yun; Zheng, Tao; Chen, Zhenyu (ACM Transactions on Software Engineering & Methodology, 2025)