Sastry, S. S. Introductory methods of numerical analysis / S. S. Sastry. - 5th ed. - Delhi : PHI Learning pvt. ltd., c2012 [Reprinted 2018]. - xiv, 450 pages : illustrations ; 24 cm. Includes index. ISBN: 9788120345928 Subjects--Topical Terms: Numerical analysis. Dewey Class. No.: 518.6 SAS