TY - BOOK AU - Slater,J.D. AU - Taylor,Hewitt AU - Curphey,Steven AU - Radford,John ED - Arnold TI - Mathematics through action: stage 1B SN - 0560001835 U1 - 372.7044 23 PY - 1971///. CY - London: PB - Arnold, KW - Mathematics KW - Study and teaching (Elementary) ER -