TY - BOOK AU - Henderson,Jenny AU - Knutton,Stephen TI - Biotechnology in schools: a handbook for teachers SN - 0335093698 AV - TP248.22 H45 1990 PY - 1990/// CY - Milton Keynes, Philadelphia PB - Open University Press KW - Biotechnology KW - Study and teaching N1 - Includes bibliographical references (p. [157]-158) and index ER -