BRACIS proceedings are published by Springer. They were divided into 3 parts, which can be accessed for free for 30 days in the links below:
Part I: https://link.springer.com/book/10.1007/978-3-031-45368-7
Part II: https://link.springer.com/book/10.1007/978-3-031-45389-2
Part III: https://link.springer.com/book/10.1007/978-3-031-45392-2