Books by Bert De Ruiter

- Oppikirja

- Manuel Du Participant

- Livro Texto

- Libro del Curso

- Manual de Curs

- Course Book

- Cursusboek

- Kursbuch

- Kursusboek

- Kurzuskonyv

- The Value of Using the Book of Proverbs in Sharing the Gospel with Muslims

- Overcoming Our Fear of Islam