TY - BOOK AU - Krause,Eugene F. TI - Mathematics for elementary teachers: a balanced approach SN - 0669103330 AV - QA 39.2 .K69 1987 U1 - 372.7 19 PY - 1987/// CY - Lexington, Mass. PB - D.C. Heath KW - Mathematics N1 - Includes bibliography and index ER -