Elements of environmental engineering /
Duggal, K. N.,
Elements of environmental engineering / K. N. Duggal. - 504 pages : illustrations ; 24 cm
Includes index
8121915473 RM11.25
Environmental engineering
Sewage --Environmental aspects
628.21
Elements of environmental engineering / K. N. Duggal. - 504 pages : illustrations ; 24 cm
Includes index
8121915473 RM11.25
Environmental engineering
Sewage --Environmental aspects
628.21