RAG SLIITbot: Sri Lankan Universities Develop AI Tutor Tailored to Unique Teaching Styles. - Kithusshand Raveendran; Gowrisha Karuneswaran; Vasavan Parthipan; Kanagasabai Thiruthanigesan; Uthpala Samarakoon; Nuwan Kodagoda; Roshan G. Ragel (ICIIS, 2025)