Rao, C. S. (2006). Environmental Pollution Control Engineering (2nd ed.). New Age International.
Tohutoru Kātū Chicago (17th ed.)Rao, C. S. Environmental Pollution Control Engineering. 2nd ed. New Delhi: New Age International, 2006.
Tohutoro MLA (9th ed.)Rao, C. S. Environmental Pollution Control Engineering. 2nd ed. New Age International, 2006.
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