TY  - BOOK
AU  - Singh Yogish
AU  - Kumar Nath Ruchika
TI  - Teaching of general science
SN  -  ‎ 978-8176489713
U1  - 500.7 SINT 
PY  - 2005///
CY  - New Delhi
PB  - A P H Publishing
KW  - Science
ER  -