Kaushik,Anubha, & Kaushik,C.P. (2018). Perspectives in environmental studies (6.). New Age international Ltd. pub.
Lua i Stíl Chicago (17ú heag.)Kaushik,Anubha, agus Kaushik,C.P. Perspectives in Environmental Studies. 6. New Delhi: New Age international Ltd. pub, 2018.
Lua MLA (9ú heag.)Kaushik,Anubha, agus Kaushik,C.P. Perspectives in Environmental Studies. 6. New Age international Ltd. pub, 2018.
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