M3-VRD: Multimodal Multi-task Multi-teacher Visually-Rich Form Document Understanding Yihao Ding, Lorenzo Vaiani, Caren Han, Jean Lee, Paolo Garza, Josiah Poon, Luca Cagliero (2024) M3-VRD: Multimodal Multi-task Multi-teacher Visually-Rich Form Document Understanding, In: Findings of ACL 2024