1. Biology of wastewater treatment
Author: / N.F. Gray
Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)
Subject: Sewage--Purification--Biological treatment,Sewage disposal.,Biotechnology.
2. #Biology of wastewater treatment
Author: #N.F. Gray
Library: Central Library of Esfehan University of Technology (Esfahan)
Subject: Sewage- Purification- Biological treatment ،Sewage disposal ،Biotechnology
Classification :
#
TD
،#.
G73
،#
2004
3. Biology of wastewater treatment
Author: / N.F. Gray
Library: Central library of medical university of Isfahan (Esfahan)
Subject: Sewage- Purification- Biological treatment,Sewage disposal,Biotechnology
Classification :
TD755
.
G7
2004
4. Drinking water quality
Author: Gray, N. F.
Library: Library of Razi Metallurgical Research Center (Tehran)
Subject: ، Drinking water - Great Britain,، Water quality - Great Britain,Pollution ، Water - Great Britain
Classification :
TD
257
.
G72
2008
5. Drinking water quality /
Author: N.F. Gray.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Drinking water-- Great Britain.,Drinking water.,Water-- Pollution-- Great Britain.,Water-- Pollution.,Water quality-- Great Britain.,Water quality.,Drinking water.,Vattenföroreningar.,Vattenförsörjning.,Vattenrening.,Vattenvård.,Water-- Pollution.,Water quality.,Great Britain., 7
Classification :
TD257
.
G72
2008
6. Drinking water quality : problems and solutions
Author: Gray, N. F.
Library: Central Library of Amirkabir University of Technology (Tehran)
Subject: Drinking water - Great Britain , Water quality - Great Britain , Water - Pollution - Great Britain
Classification :
TD
257
.
G72
1994
7. Facing Up to Global Warming
Author: / N.F. Gray
Library: Central Library, Center of Documentation and Supply of Scientific Resources (East Azarbaijan)
Subject: FUELS|WATER RESOURCES&ENERGY
Classification :
E-BOOK
8. Sulphide deposits--their origin and processing
Author: edited by P.M.J. Gray, G.J. Bowyer, J.F. Castle, D.J. Vaughan, N.A. Warner.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Physics.
Classification :
QE389
.
2
E358
1990
9. <The> language of children
Author: / N. W. M. Hart, R. F. Walker, B. Gray
Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)
Subject: Children- Language
Classification :
LB1139
.
L3
,
H28
1977
10. Water Technology: An introduction for scientisits and engineers
Author: / N.F. Gray
Library: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
Subject: Hydrolic Engyneering
Classification :
TC145
.
W2
11. Water Technology, Second Edition - An Introduction for Environmental Scientists and Engineers
Author: N. F. Gray
Library: Campus International Library of Kish University of Tehran (Hormozgan)
Subject: Civil Engineering
12. Water Technology, Third Edition
Author: / Gray, N. F.
Library: Central Library, Center of Documentation and Supply of Scientific Resources (East Azarbaijan)
Subject: WATER RESOURCES
Classification :
E-BOOK
13. Water Technology, Third Edition - An Introduction for Environmental Scientists and Engineers
Author: N. F. Gray
Library: Campus International Library of Kish University of Tehran (Hormozgan)
Subject: Civil Engineering
14. Water technology :
Author: Nick Gray.,Gray, N. F.
Library: Campus International Library of Kish University of Tehran (Hormozgan)
Subject: Water quality management.,Water,Water,Hydrology.,Aquatic biology.,Purification.,Pollution.
Classification :
TD365
.
G7
2005
15. Water technology :
Author: N.F. Gray
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Aquatic organisms-- Control,Water quality management,Water-supply,Water-supply engineering
Classification :
TD365
.
G73
2010
16. Water technology an introduction for environmental scientists and engineers
Author: Gray, N. F.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Water-supply,، Water-supply engineering,Control ، Aquatic organisms,، Water quality management
Classification :
TD
345
.
G73
2010
17. Water technology : an introduction for scientists and engineers
Author: Gray, N. F.
Library: Central Library and Documentation Center (Kerman)
Subject: ، Water - Purification,، Sewage disposal,، Freshwater biology,، Water quality biological assessment,، Water-supply,، Aquatic biology,، Water-supply engineering
Classification :
TD
365
.
G73
1999
18. Water technology: an introduction for scientists and engineers
Author: Gray, N. F.
Library: Central Library and Documents Center of Industrial University of Khaje Nasiredin Toosi (Tehran)
Subject: ، Hydrology,، Water science
Classification :
GB
651
.
G7
19. #کیفیت آب آشامیدنی
Author: #Gray, N. F.
Library: Central Library of Esfehan University of Technology (Esfahan)
Subject: آب آشامیدنی -- انگلستان ،آب -- کیفیت -- انگلستان ،آب -- آلودگی -- انگلستان ،آب آشامیدنی -- انگلستان
Classification :
#
TD
،#
257
،#
/
گ
4
ک
9
،#
1393
20. کیفیت آب آشامیدنی: مشکلات و راهحلها
Author: گری، F .N ,Gray
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: آب آشامیدنی,آب - کیفیت,آب - آلودگی,انگلستان آب آشامیدنی,انگلستان - مدیریت کیفیت آب
Classification :
TD
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/
گ
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ک
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