TY - BOOK AU - MAITI, S K TI - HAND BOOK OF MEHTODS IN ENVIRONMENTAL STUDIES: V-I : WATER AND WASTEWATER ANALYSIS U1 - 624 PY - 2011/// CY - NEW DELHI PB - OXFORD BOOK COMPANY KW - WASTEWATER ANALYSIS KW - ENVIRONMENTAL STUDIES KW - CIVIL ENGINEERING ER -