1. Water Pollution Control - A Guide to the Use of Water Quality Management Principles
Author: Richard Helmer Ivanildo Hespanhol
Library: Campus International Library of Kish University of Tehran (Hormozgan)
Subject: Civil Engineering
2. Water Pollution Control : A guide to the use of water quality management principles
Author: Edited by Richard Helmer and Ivanildo Hespanhol
Library: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)
Subject: Water quality Management,Water - Purification
Classification :
TA
365
.
W364
1997
3. Water pollution contro
Author: / edited by Richard Helmer and Ivanildo Hespanhol
Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)
Subject: Water quality management.,Water--Purification
Classification :
TD
,
365
,.
W364
,
1997eb
4. Water pollution control
Author: / edited by Richard Helmer and Ivanildo Hespanhol.
Library: Central Library of Kashan University of Medical Sciences (Esfahan)
Subject: Water quality management,Water--Purification
Classification :
TD365
.
W364
1997
5. Water pollution control
Author: / edited by Richard Helmer and Ivanildo Hespanhol
Library: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
Subject: Water quality management,Water- Purification
Classification :
TD365
.
W364
1997
6. Water pollution control: a guide to the use of water quality management principles
Author: edited by Richard Helmer and Ivanildo Hespanhol
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Pollution ، Water,، Water quality management
Classification :
TD
420
.
W37
1997
