311 DAS 12591 12592 12593 12594 13970 13971 13972 13973 13974 13975 13976 13977 13978 13979 13980 13981 13982 13983 13984 13985 13986 13987 13988 13989 BB609 BB610 BB611 BB612 BB613 BB614 BB615 BB616 BB617 BB618
Das,N.G. Statistical methods / N.G.Das. - New Delhi : Tata McGraw Hill Education, 2011 V.1 & V.2 978-0-07-008327-1 Rs.425.00 * STATISTICS *