Search Results       Your search for [author]Catampo, Eugenia A. returned 1 record.           The Effectiveness of mathematical manipulative aids and devices in teaching linear relationship to the second year high school students of Costa Rica National High School. by Catampo, Eugenia A.; 2000. Subject: Algebras, Linear -- Study and teaching -- Aids and devices; Algebra -- Study and teaching.          Add to Book Cart Relevance: 22.32%