TY  - BOOK
AU  - Duggal, S. K.
TI  - Surveying
SN  - 9789353167523
U1  - 526.9 
PY  - 2019///
CY  - .- Chennai
PB  - : McGraw Hill Education
KW  - Natural Sciences and Mathematics
KW  - Astronomy and Allied Sciences
KW  - Surveying
ER  -