Figure 8
A bar graph titled DOCUMENT TYPES compares the occurrence of different document types. The horizontal axis is labeled with document types: ARTICLE, PROCEEDINGS PAPER, BOOK CHAPTER, and REVIEW. The vertical axis is labeled Occurrence and ranges from 0 to 50. There are four vertical bars representing the document types. The ARTICLE bar is the tallest, reaching 47 occurrences. The PROCEEDINGS PAPER bar is slightly shorter, reaching 41 occurrences. Both the BOOK CHAPTER and REVIEW bars are very short, each reaching 1 occurrence. The bars are colored blue.Number of publications by document type (own processing). Source(s): Authors’ own creation/work