Trivedi, P. R.
Man and environment / P. R. Trivedi and Gurdeep Raj. - New Delhi : Akashdeep Publishing, 1992. - 326 p. : ill. ; 22 cm.
8171582311
Nature --Effect of human beings on.
363.7 / MAN
Man and environment / P. R. Trivedi and Gurdeep Raj. - New Delhi : Akashdeep Publishing, 1992. - 326 p. : ill. ; 22 cm.
8171582311
Nature --Effect of human beings on.
363.7 / MAN