00283nam a2200133Ia 4500020001800000082001100018100001800029245003900047250000600086260003500092300000800127500000800135650000600143  a£852,269,102  a519.93  aSingh, Daroga 0aTheory & Analysis Of Sample Survey  a-  aN. DelhibWiley - Interscience  a380  a531  a-