[Retracted] Exploring the Application of Online Teaching Platform in the PBL Teaching Mode of Film and Television Courses for Teacher Trainees

<div>E-R diagram of system database.</div>

Mobile Information Systems

fig3

Figure 3

Figure 3: [Retracted] Exploring the Application of Online Teaching Platform in the PBL Teaching Mode of Film and Television Courses for Teacher Trainees 

Figure 3 | [Retracted] Exploring the Application of Online Teaching Platform in the PBL Teaching Mode of Film and Television Courses for Teacher Trainees 