Author

Roy Dubisch

6 titles available
Cover of The nature of number by Roy Dubisch

The nature of number
Cover of The teaching of mathematics by Roy Dubisch

The teaching of mathematics

Basic concepts of mathematics for elementary teachers
Cover of Basic concepts of mathematics for elementary teachers by Roy Dubisch

Basic concepts of mathematics for elementary teachers

Mathematics II

Mathematics I

About Roy Dubisch

Free ebooks by Roy Dubisch available for download.