Add sections to the bookbuilder: 베트남이 어긴 약속 (Mèo Mun)


With complex structures, e.g., a chapter with subsections, selecting only the chapter is likely to select only the chapter's title, so probably you want to select the chapter and all its subsections.

The text structure is shown below.

Title, author, date...
베트남이 어긴 약속
Source, notes...