Tohutoro APA (7th ed.)
Pandey, G. N. (1997). Environmental management. Vikas Pub.
Tohutoru Kātū Chicago (17th ed.)
Pandey, G. N. Environmental Management. Kolkata: Vikas Pub, 1997.
Tohutoro MLA (9th ed.)
Pandey, G. N. Environmental Management. Vikas Pub, 1997.
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