TY  - BOOK
AU  - Yadav,M.S.(ed)
TI  - Teaching of science
SN  - 8170416329
AV  - LB1585.5.G7 T2205 2002
U1  - 507  22nd ed.
PY  - 2002///
CY  - New Delhi
PB  - Anmol Publications, ltd.
KW  - Science
KW  - Study and teaching (Secondary)
N1  - Includes bibliographical references (p.238)
ER  -