2755
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Dasmann, Raymond Frederick
9191-
Environmental conservation
New York; London
Wiley
1972
xi, 473P.: ill. )part col.(
Includes bibliographies
by Raymond F. Dasmann
3rd ed.
، Conservation of natural resources
، Ecology
، Human ecology
S
938
.
D37
1972
AU
TI
CL
CL.نوجی
CL.نوجی
CL.نوجی
CL.نوجی
