TY - BOOK AU - Tuttle,Michael D TI - Practical business math: a performance approach SN - 0697006204 U1 - 513.93 19 PY - 1987/// CY - Dubuque, Iowa PB - Wm. C. Brown Publishers KW - Mathematics KW - Spines KW - Commercial education N1 - math N2 - Business ER -