Society and environment /
Singhal ,Ved Prakash
Society and environment / Ved Prakash Singhal - 1st ed. - New Delhi : Standard publishers and distributors 2014. - 683 p. ; 20cm.
9788180141539
Environmental engineering
628 / SIN/S
Society and environment / Ved Prakash Singhal - 1st ed. - New Delhi : Standard publishers and distributors 2014. - 683 p. ; 20cm.
9788180141539
Environmental engineering
628 / SIN/S