On February 11, 2026, the Thai Language Department, Faculty of Education, Suan Sunandha Rajabhat University, organized the 3rd Internationalization Promotion Project for Developing Professional Competencies of Thai Language Teachers, under the theme “Thai Manuscripts: Palm Leaf Manuscripts and the Development of Thai Language and Literature,” via an online system. The project aimed to enhance the quality of education and raise awareness of cultural heritage at the international level. Dr. Peera Phanarat, a postdoctoral researcher from the Museum für Asiatische Kunst, Berlin, Germany, was invited as a special guest speaker to lecture to first-year students and the general public. This project reflects the Faculty of Education's commitment to addressing Sustainable Development Goal (SDG) 4: promoting access to knowledge from world-class experts for student teachers to develop their professional competencies in the Thai language.