HoloAAC: A Mixed Reality AAC Application for People with Expressive Language Difficulties. - Liuchuan Yu; Huining Feng; Rawan Alghofaili; Boyoung Byun; Tiffany O'Neal; Swati Rampalli; Yoosun Chung; Vivian Genaro Motti; Lap-Fai Yu (HCI (25), 2024)