“…As seen in [51], a chart of the most recent e-learning model is constructed in Figure 4 and the summary is presented in Table 8. [17], [19]- [24], [26], [28], [29], [30], [32], [35], [41] Machine learning [16], [18], [25], [27], [33], [34], [37], [38], [44], [45] Algorithmic method [31], [36], [39], [40], [42], [43] RQ3: What is the best technology used in capturing emotion in student engagement?…”