Jeju National University Library application provides the following services for library users. ▣ Mobile IDCard - Used for library entry authentication - Used for library seat, book loan confirmation - After ID/PW login, idcard with QR code will be issued ▣ Check the status of library seating - Checking the use of seats by library self-study facilities - Checking the seat room map and current status for each facility ▣ Study Room Reservation - Pick the desi