The COBEP/SPEC 2023 organizing committee is pleased to invite proposals for tutorials to be presented on Sunday, November 26. We welcome tutorials that are either 2 hours or 4 hours long, covering topics related to the conference scope. Each accepted tutorial will be awarded two complimentary conference registrations, providing an excellent opportunity to showcase your expertise and network with fellow researchers and professionals. We encourage you to submit your tutorial proposal by the deadline of April 30 May 31 June 30.