For chapters with sections or sub-sections, consider using repeating 505s.
| 505 | 0 _ | |aChapter 1 Introduction to research. First section: Subsection, Subsection, Subsection -- Second section: Subsection, Subsection -- Third section: . . . |
| 505 | 8 _ | |aChapter 3 Research methodology. First section: Subsection, Subsection, Subsection -- Second section: Subsection, Subsection -- Third section: . . . |
| 505 | 8 _ | |aChapter 4 . . . |
Use first indicator of 8 for all but the first 505.