Choudhary, A. K.
Environmental engineering / A.K Choudhary.& O M Prakash - New Delhi : McGraw-Hill, c1996[Reprinted 2000.] - 144 p. : ill., ;
Includes bibliographical references and index.
Environmental engineering.
Sanitation
Sanitary engineering
628
Environmental engineering / A.K Choudhary.& O M Prakash - New Delhi : McGraw-Hill, c1996[Reprinted 2000.] - 144 p. : ill., ;
Includes bibliographical references and index.
Environmental engineering.
Sanitation
Sanitary engineering
628