Search Results       Your search for [author]Streefland, Leen, 1939- returned 1 record.           Fractions in realistic mathematics education : a paradigm of developmental research. by Streefland, Leen, 1939-; Dordrecht: Kluwer Academic Publishers, 1991. Subject: Fractions -- Study and teaching (Primary).          Add to Book Cart Relevance: 30.10%