Point 6: Results: The sentence from line 137 to line 138 isn’t clear when I saw Figure 6.
The sentence from line 137 to line 138 isn’t clear when I saw Figure 6. The authors could use a standard for a plural of index word, ‘indices’ (345) or ‘indexes’ (362). In line 384 the authors should substitute ‘chapter’ for ‘section’. The authors presented and analyzed the variables/areas of certification with many models, it is interesting and is a basis for analysis in the next section.