TY  - BOOK
AU  - Pathak, R P
TI  - Shaikshik prodhyogiki avam kriyatmak anusandhan (Hindi)
SN  - 81-8457-391-6
U1  - 371.3078 P 
PY  - 2012///
CY  - New Delhi
PB  - Kanishka Publishers, Dis
ER  -