Singh, Ashok Kumar.
Science and technology : for civil services examinations / Director by Ashok Kumar Singh. - / . - New Delhi : Tata McGraw Hill Education , 2011. - viii, 646p. : ill.,fig ; 22cm cm . - Tata McGraw-hills series, NULL NULL; . - Tata McGraw-hills series, NULL NULL; .
NULL
RS325.00 (pbk)
CIVIL SERVICES EXAMINATION-GUIDE BOOK
351.076 / SIN/S
Science and technology : for civil services examinations / Director by Ashok Kumar Singh. - / . - New Delhi : Tata McGraw Hill Education , 2011. - viii, 646p. : ill.,fig ; 22cm cm . - Tata McGraw-hills series, NULL NULL; . - Tata McGraw-hills series, NULL NULL; .
NULL
RS325.00 (pbk)
CIVIL SERVICES EXAMINATION-GUIDE BOOK
351.076 / SIN/S
