00803oam 2200205z- 450 991045710540332120210107010257.00-309-54193-X(CKB)2550000000031997(MiAaPQ)EBC3376708(EXLCZ)99255000000003199720151207c2002uuuu -u- -engLearning and Understanding: Improving Advanced Study of Mathematics and Science in U.S. High Schools: Report of the Content Panel for ChemistryNational Academies PressNational Research Council Staff858047BOOK9910457105403321Learning and Understanding: Improving Advanced Study of Mathematics and Science in U.S. High Schools: Report of the Content Panel for Chemistry2159749UNINA