Figure 4
The horizontal bar chart is titled “Article Type and Methodology”. The horizontal axis shows a numerical scale from 0 to 40 in increments of 10 units. The vertical axis lists two grouped categories: “MIXED”, “QUALITATIVE”, and “QUANTITATIVE” in the first group, and “THEORETICAL” and “EMPIRICAL” in the second group. The bar values are as follows: MIXED: 1. QUALITATIVE: 1. QUANTITATIVE: 34. THEORETICAL: 13. EMPIRICAL: 36.Article type and methodology. Source: Authors’ own elaboration