TY - BOOK AU - Wonnacott,Thomas H. AU - Wonnacott,Ronald J. TI - Introductory statistics for business and economics SN - 0471097160 PY - 1984/// CY - New York, N.Y. PB - John Wiley & Sons KW - Վիճակագրություն KW - Social sciences KW - Statistical methods KW - Commercial statistics KW - Economics ER -