Developing and Evaluating an Adaptive Business English Self-Learning System for EFL Vocabulary Learning

<table>The vocabulary learning process via the system. Note: “rectangle” refers to an incidental vocabulary learning element, and “oval” refers to an intentional vocabulary learning element.</table>

Mathematical Problems in Engineering

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Figure 6

Figure 6: Developing and Evaluating an Adaptive Business English Self-Learning System for EFL Vocabulary Learning 