TY - BOOK AU - Robitaille,David F. ED - Pacific Educational Press TI - Curriculum framewoerks for mathematics and science ; general editor David F. Robitaille SN - 0888650906 U1 - 375.5 23 PY - 1993///. CY - Vancouver: PB - Pacific Educational Press, KW - Mathematics KW - Study and teaching KW - Science N1 - Includes bibliographical references ER -