Yonsei University /inbound-study-abroad/ en Hwanil Ryu - Exchange Testimonial /inbound-study-abroad/news/list/2025/06/16/hwanil-ryu-exchange-testimonial Yonsei University student, Hwanil Ryu undertook the Exchange Program at 91ΧΤΕΔ in Semester 1, 2025. June 17 2025 Georgia Cosercas /inbound-study-abroad/news/list/2025/06/16/hwanil-ryu-exchange-testimonial