TY  - BOOK
AU  - Ivany,J.W.George
ED  - Science Research Associates
TI  - Today's science: a professional approach to teaching elementary school science 
SN  - 0574196005
U1  - 372.35044 23
PY  - 1975///.
CY  - Chicago: 
PB  - Science Research Associates, 
KW  - Science
KW  - Study and teaching (Elementary)
N1  - Includes bibliographical references and index
ER  -