Patra, M. N., & Singha, R. K. (2013). Basic environmental engineering and elementary biology. Aryan Publishing House.
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Dyfyniad Arddull Chicago
Patra, Monindra Nath, and Rahul Kumar Singha. Basic Environmental Engineering and Elementary Biology. Kolkata: Aryan Publishing House, 2013.
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Dyfyniad MLA
Patra, Monindra Nath, and Rahul Kumar Singha. Basic Environmental Engineering and Elementary Biology. Aryan Publishing House, 2013.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.