Human ecology /
Yadav, P. R
Human ecology / - New Delhi : Discovery Publishing House , 2004. - 264 p. : ill. ; 22 cm.
Includes Index.
817141754X
363.7 YAD
Human ecology / - New Delhi : Discovery Publishing House , 2004. - 264 p. : ill. ; 22 cm.
Includes Index.
817141754X
363.7 YAD