Science & technology
500ASH
Ashok Kumar Singh
Science & technology for civil services examination by Ashok Kumar Singh.- New Delhi:Tata McGraw-Hill Publishing,2008.
viii, 646p.;23cm.(pbk)
ISBN:0070655480 Rs. 280.00
DBAD / PUB /ENG-87701/ EN-71234 / 280.00 /sign
