Engineering--Environmental
Elements of environmental engineering
K. N. Duggal
Engineering--Environmental Sewage--Purification Buildings--Environmental engineering Engineering--Sanitary
Environmental and bio-chemistry
V. P. Kudesia & U. K. Jetley
Environmental chemistry Pollution--Environmental aspects Engineering--Chemical Engineering--Environmental Chemistry--Textbooks and manuals
Environmental chemistry
Anil Kumar De; rev. by Arnab Kumar De
Environmental chemistry Pollution--Environmental aspects Engineering--Chemical Engineering--Environmental Chemistry--Textbooks and manuals Toxicology Pollution--Measurement
Environmental engineering and pollution control
by Er. V. M. Marrimuthu [et al.]
Engineering--Environmental Pollution--Environmental aspects