ECOLOGICAL PRINCIPLES FOR ECONOMIC DEVELOPMENT
DASMANN,RAYMOND F. MILTON JOHN P. FREEMAN PETER H.
ECOLOGICAL PRINCIPLES FOR ECONOMIC DEVELOPMENT - LONDON: JOHN WILEY & SONS LTD, 1973.
0471196061.
338.9 DAS
ECOLOGICAL PRINCIPLES FOR ECONOMIC DEVELOPMENT - LONDON: JOHN WILEY & SONS LTD, 1973.
0471196061.
338.9 DAS