TY - BOOK AU - Sims,C.A. ED - Schofield and Sims TI - Next number please: book three SN - 0721720803 U1 - 372.7 23 PY - 1969///. CY - Huddersfield: PB - Schofield and Sims, KW - Mathematics KW - Study and teaching (Elementary) ER -