TY - BOOK AU - Dara,S.S. AU - Umare,S.S. TI - A textbook of engineering chemistry SN - 9788121903592 U1 - 660 22 PY - 1986/// CY - New Delhi PB - S. Chand and Company Ltd KW - Chemical engineering KW - BUEsh KW - Reading book N1 - Includes appendix ER -