TY - GEN AU - Gupta, S. P. TI - Statistical Methods: Contains Besides Theory, about 1000 Fully Solved Illustrations and about 1300 Problems with Answers SN - 8180542149 AV - HA31.2 .G8 2004 PY - 2004/// CY - New delhi PB - Sultan chand and sons KW - Statistical survey methodology KW - Statistical methods ER -