Bettinger, Pete
Geographic information systems: applications in forestry and natural resources management
McGraw-Hill, 2004
 Buku Teks
Bettinger, Pete
Geographic Information Systems: Applications in forestry and natural resources management
Higher Education, 2004
 Buku Teks
Researching the accounting curriculum : strategies for change
editor, William L. Ferrara ; associate editors, James B. Bower [and others]
American Accounting Association , 1978
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Mining : Natural Resources Development
 Artikel Jurnal
The economics of natural resources depletion
edited by D.W. Pearce with the assistance of J. Rose
Macmillan, 1975
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