Professionele software voor de Commodore 64
The book, Professionele software voor de Commodore 64, is written by DR. IR. K. L. Boon and IR. A. R. Th. Pelsmaker. It's a book with programs, to type-in yourself, for the Commodore C64.
The book is written in the Dutch language, has 229 pages and was published in 1984 by Addision-Wesley Nederland.