Agor, R. A Text book of Surveying and Levelling for degree, diploma students : practicing engineers and surveyors - 11 th - New Delhi Khanna Publishers 2012 - [12], 1216 p. Illustration Surveying ISBN: 9788174092359 Subjects--Topical Terms: Surveying -- Examinations, questions, etcLeveling -- Examinations, questions, etc Dewey Class. No.: 526.907 / AGO