The content of this book continue to lead to confusion and difficulty of the content. They also have support writing a reference that is not related to make it difficult to understand the content.
The content of the book is still not lead to confusion and clarity of content. It also has a reference to support for unrelated difficult to understand.
The content of this book still นำไปสู่ความสับสน and obvious content. It also has the reference to support writing unrelated makes it difficult to understand the content.