TY - BOOK AU - Wellington,J. TI - Secondary science: contemporary issues and practical approaches SN - 0415098432 AV - DUCE Q181.W4415 PY - 1994/// CY - London PB - Routledge KW - Science KW - Study and teaching (Secondary) N1 - Includes bibliographical references and index UR - http://www.loc.gov/catdir/enhancements/fy0648/93031553-d.html ER -