Media type: E-Article Title: Power On! Bringing Geometry into the Classroom with Videodisc Technology Contributor: ZECH, LINDA; VYE, NANCY J.; BRANSFORD, JOHN D.; SWINK, JEFF; MAYFIELD-STEWART, CYNTHIA; GOLDMAN, SUSAN R. Published: National Council of Teachers of Mathematics, 1994 Published in: Mathematics Teaching in the Middle School, 1 (1994) 3, Seite 228-233 Language: English ISSN: 1072-0839 Origination: Footnote: