TY  - BOOK
AU  - PRAKASH,RAVI
AU  - RATHO,T.N
TI  - MODERN ENCYCLOPAEDIA OF SCIENCE TEACHING : : CONCEPT AND TECHNIQUES / 
SN  - 8173910383
U1  - REF 
PY  - 1994///
CY  - الهند : 
PB  - KANISHKA PUBLISHING HOUSE ، 
KW  - EDUCATION - SCIENCE
KW  - EDUCATION - PLANNING
KW  - EDUCATION
KW  - EDUCATION - RESEARCH
ER  -