TY - BOOK AU - Tripathi, S. M., Lal, C. TI - Descriptive questions in library and information science :for net (u.g.c) set & SN - 8170002494 U1 - 025.431 PY - 1999/// CY - New Delhi PB - Ess Ess Publications KW - Library & INformation Science KW - Descriptive Questions ER -