2. Clean water , nature's way to stop pollution

Library: Tehran University, technical faculty libraries 1 (Tehran)

Subject: Sewage irrigation

Classification :
TD
760
.
S84
1973

14. Irrigation with reclaimed municipal wastewater

Library: Central library of medical university of Isfahan (Esfahan)

Subject: Sewage irrigation

Classification :
TD760
.
I5w3
1990

20. Land treatment of waste water

Author:

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: ، Waste disposal in the ground,، Sewage irrigation

Classification :
TD
760
.
G64
2000