00421nam a2200145 a 4500008004100000020002200041100001800063245007900081260003700160300001900197650003200216003000100248005001700249040000900266                                          a817000232X (hbk.)  aSehgal, R. L.10aApplied statistics for Library science research. nVolume 1/cR. L. Sehgal  aNew Delhi :bEss Ess Pub.,c1998  a396 p.,c23 cm  aLibrary science - Research.20230123133856.0  cNUST