TY - BOOK AU - Sehgal,R.L. TI - Statistical techniques for librarians SN - 8170002311 (hbk.) PY - 1998/// CY - New Delhi PB - Ess Ess Pub. KW - Library administration KW - Decision making KW - Statistical methods KW - Library statistics N1 - Includes indexes; Includes bibliographical references ER -