00386nam a2200121Ia 4500 260130b |||||||| |||| 00| 0 eng d 519.52 In39.MR Indian Standards Institution, New Delhi 13432 Methods for random sampling / New Delhi: The Auth., 1961 33p. IS 4905-1968 ddc BK 0 0 0 519_520000000000000_IN39_MR 0 18805 ISI ISI 1998-10-06 0 519.52 In39.MR DP19677 2019-02-14 00:00:00 BK 15371 15371