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THE LIST OF SOURCES USED
1. Barry F. Kavanagh and S.J. Glenn Bird, Surveying Principles and
th
Applications, 5 edition, 2000.
2. Huaan Fan. Theory of Errors and Least Squares Adjustment / Fan H. –
Royal Institute of Technology. – Stockholm, Sweden. - 1997.
3. James M. Anderson and Edward M. Michael , Surveying Theory and Practice,
th
7 Edition, 1998
th
4. R.Agor, A text book of Surveying and Leveling, 9 ed. 2003.
5. W. Tafesse Surveying. Lecture note For Environmental Health Science
Students, Haramaya University, 2005
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