MEENAMBAL T. UMA R.N. MURALI K.
PRINCIPLES OF ENVIRONMENTAL SCIENCE AND ENGINEERING - NEW DELHI S.CHAND & COMPANY 2005 - 126P.
812192443-X
ECOLOGY AND ECOSYSTEM
WATER QUALITY
ENVIRONMENTAL POLLUTION
WASTE MANAGEMENT
628 MEE/PR
PRINCIPLES OF ENVIRONMENTAL SCIENCE AND ENGINEERING - NEW DELHI S.CHAND & COMPANY 2005 - 126P.
812192443-X
ECOLOGY AND ECOSYSTEM
WATER QUALITY
ENVIRONMENTAL POLLUTION
WASTE MANAGEMENT
628 MEE/PR