Dhameja,Suresh K. Environmental studies (3rd ed.). S.K.Kataria 3rd ed.
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Chicago-čujuhus (17. p.)
Dhameja,Suresh K. Environmental Studies. 3rd ed. New Delhi: S.K.Kataria 3rd ed.
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MLA-čujuhus (9. p.)
Dhameja,Suresh K. Environmental Studies. 3rd ed. S.K.Kataria 3rd ed.
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