TY - BOOK AU - Sally, Judith D TI - Roots to research: : a vertical development of mathematical problems SN - 9780821887257 U1 - 510.72SAL PY - 2007/// CY - Hyderabad PB - :American Mathematical Society, KW - Mathematics KW - Mathematics -- Research KW - Polygons of Equal Area KW - Judith D Sally; Paul J Sally KW - and Roots to research : a vertical development of mathematical problems ER -