TY - BOOK AU - ARORA P.N AU - P. N. ARORA, AMIT ARORA AND S. ARORA TI - BUSINESS STATISTICS: BUSINESS STATISTICS/PN. ARORA SN - 81-219-2958-x U1 - 658.1 PY - 2007/// CY - NEW DELHI PB - S. CHAND KW - STATISTICS ER -