Sinthiya, Ida Ayu, Keni Puspita Sari, Muhamad Muslihudin, & Suhendra Suhendra. " Electronic Attendance with Android-Based QR Code at STMIK Pringsewu to Improve Student and Lecturer Discipline in Lectures." Tech-E [Online], 5.1 (2021): 29-41. Web. 24 May. 2022