Most scholars view the book as the product of one writer, and there is no textual support for viewing some verses as later additions. The dialog pattern that appears throughout the book argues for its unity. Its canonicity has never been challenged because it appears in all the authoritative lists of canonical books and is quoted in the New Testament. The text is well preserved.
untuk merubah popup menjadi mode sticky, 
untuk merubah mode sticky menjadi mode popup kembali. [