2025-08-21 00:00:00 The first task of the picket teacher is usually to record or take attendance of teachers who enter each class at each change of subject, the second task is to record guests who come to school. With this application, it is hoped that it will make it easier for picket teachers to carry out these two tasks. The features of this application are as follows: - Manage picket teacher data - Manage picket teacher schedules