Garg, S. K., & Garg, R. (2015). Environmental studies and green technologies. Khanna Pub.
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Chicago-čujuhus (17. p.)
Garg, Santosh Kumar, juo Ranjin Garg. Environmental Studies and Green Technologies. New Delhi: Khanna Pub, 2015.
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MLA-čujuhus (9. p.)
Garg, Santosh Kumar, juo Ranjin Garg. Environmental Studies and Green Technologies. Khanna Pub, 2015.
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