TY - BOOK AU - Witzel, Bradley ; Riccomini, Paul J. TI - Computation of fraction : : math intervention for elementary and middle grades students SN - 13:978-0-205-56738-6 AV - 372.7 W78c PY - 2009/// CY - Upper Saddle River, NJ PB - Pearson Education, Inc KW - Fractions KW - Study and teaching (Elementary) KW - Study and teaching (Middle school) KW - Mathematics N1 - Includes bibliographic references ER -