Irene-Angelica Chounta Hironori Egi Ari Nugraha Harry Budi Santoso Tomoo Inoue Tamara Adriani Salim Collaboration Technologies and Social Computing - 31st International Conference, CollabTech 2025, Jakarta, Indonesia, November 4-7, 2025, Proceedings CollabTech Springer 2026 Lecture Notes in Computer Science 16204 978-3-032-10155-6 978-3-032-10156-3 https://doi.org/10.1007/978-3-032-10156-3 db/conf/collabtech/collabtech2025.html