519.5
DAS


11306
11307
DAS,N.G.
       Statistical method : Vol. 1&2 / N.G.Das. – 5th ed. – New Delhi : TataMcGraw, 2011.
       xiv, 907p.
       Includes index.
       ISBN13978007833271 :
       1. Statistices
       1. Mathematics
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