TY - BOOK AU - Allinger,Glenn D. TI - Mathematics projects handbook SN - 0873534727 U1 - R 510.712 PY - 1999/// CY - Reston, VA PB - NCTM KW - Mathematics KW - Study and teaching (Middle school) KW - Local KW - Study and teaching (Secondary) N1 - Includes bibliographical references ER -