Element of water pollution control engineering /
Gupta, Om Prakash.
Element of water pollution control engineering / Prakash Om Gupta. - New Delhi: Khanna Book Publishing Co. (P) Ltd. c2019. - xxi, 901 p. : ill. :
9789386173225
Sewage disposal plants
Element of water pollution control engineering / Prakash Om Gupta. - New Delhi: Khanna Book Publishing Co. (P) Ltd. c2019. - xxi, 901 p. : ill. :
9789386173225
Sewage disposal plants