550.8 / GUP
Gupta, S.P. Das .

Environmental Issues For The 21st Century / S.P. Das Gupta. - 1st / . - N.Delhi : Mittal Publications , 2003. - 194 ; NULL.

NULL

81 7099 873 5 Rs.350/-


Economics

UGC4742 : 550.8 GUP 1 : Books