00566nam a22001817a 4500 17653 17653 OSt 20260113145306.0 200219b ||||| |||| 00| 0 eng d 0669248843 cuk eng. cuk cuk QA39 .2.K69169 1991 Huinker .M.Dann author Dann M.Huinker Investigations in Mathematics for Elementary Teachers Toronto Lexington 1991 includes bibliographical references (p. 294 krause f.eugene author eugene f.krause lcc BOOK