[Retracted] The Quality Evaluation and Knowledge System Construction of Hierarchical Teaching in the Curriculum Are Based on the Grey Association Method

<div>Flowchart of evaluation index system construction.</div>

Wireless Communications and Mobile Computing

fig5

Figure 5

Figure 5: [Retracted] The Quality Evaluation and Knowledge System Construction of Hierarchical Teaching in the Curriculum Are Based on the Grey Association Method 

Figure 5 | [Retracted] The Quality Evaluation and Knowledge System Construction of Hierarchical Teaching in the Curriculum Are Based on the Grey Association Method 