00473nam a2200133Ia 4500 260130b |||||||| |||| 00| 0 eng d 519.52028542 Un58.SM United Nations. Economic and Social Affairs, Department of- 13425 Short manual on sampling / New York: The Auth., n.a. Studies in methods, U.N.- series f 9 ddc BK 0 0 0 519_520285420000000_UN58_SM 0 18908 ISI ISI 1998-10-06 0 519.52028542 Un58.SM DP5503 2019-02-14 00:00:00 BK 15442 15442