De,Barun kumar. (2007). Energy management: Audit and conservation. Vrinda Pub.
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Chicago-čujuhus (17. p.)
De,Barun kumar. Energy Management: Audit and Conservation. Delhi: Vrinda Pub, 2007.
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MLA-čujuhus (9. p.)
De,Barun kumar. Energy Management: Audit and Conservation. Vrinda Pub, 2007.
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