Ratna Rosita Pangestika; Manik, Y. M.; Rinjani, A. Q. .; Muhanik, F. M. .; Isnawati, D. .; Puspitaningrum, Y. . Effectiveness of Using Barcode Scanner-Based Student Attendance to Improve Student Discipline at Madrasah Aliyah Assalafiyyah Mlangi. Edu Cendikia 2024, 4, 717-720.