wastewater irrigation in developing countries health effects and technical solutions,
floor 1
shuval, hillel i., 1926-;
world bank, washington, d.c., u.s.a., 1986
water--purification
water quality and treatment : a handbook of public water supplies,
floor 2
american water works association
mcgraw-hill, new york, 1971
water--purification
water supply and pollution control,
floor 2
viessman, warren [ et al ]
pearson education limited, [place of publication not identified], 2013
water--purification
basic water treatment for application world-wide,
floor 2
smethurst, george
telford, 1988
water--purification
water supply and pollution control,
floor 2
viessman, warren [et-al.]
pearson prentice hall, upper saddle river, nj, ©2009
water--purification,water--pollution--prevention
surface water treatment for communities in developing countries,
floor 2
schulz, christopher r.
wiley, new york, ©1984
developing countries,water--purification
water treatment plant design for the practicing engineer,
floor 2
sanks, robert l
ann arbor science publishers, ann arbor, mich., ©1978
water--purification
theory and practice of water and wastewater treatment,
floor 2
droste, ronald l.
j. wiley, india, ©2005
water--purification,sewage--purification