Elements of environmental engineering /

Duggal, K. N.

Elements of environmental engineering / K. N. Duggal - India S. Chand 1966 - 440 p.

9788121915472


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Environmental engineeringļ¾ 

628 DUG-K
An institution deemed to be a University Estd. Vide Sec.3 of the UGC
Act,1956 under notification # F.12-23/63.U-2 of Jun 18,1964

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