Surveying , Vol. 1 /
Duggal , S K .
Surveying , Vol. 1 / - 2 / - New Delhi : Tata Mc-Graw Hill Publishing Company , 2007. - 630 ; .
624.1517 / DUG/SU
Surveying , Vol. 1 / - 2 / - New Delhi : Tata Mc-Graw Hill Publishing Company , 2007. - 630 ; .
624.1517 / DUG/SU
