TY - BOOK AU - Billstein,Rick AU - Libeskind,Shlomo AU - Lott,Johnny W. TI - A Problem solving approach to mathematics SN - 020134730X : AV - QA135.5 .B55 2001 PY - 2001/// CY - Boston PB - Addison Wesley KW - Mathematics KW - Study and teaching (Elementary) KW - Problem solving ER -