-
1961
-
1962
-
1963
-
1964
Ol' Man River designing the eco-management of the Hawkesbury-Nepean environment
Julkaisussa Asian Review of Public Administration (1992)Artikkeli -
1965
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1966
-
1967
-
1968
-
1969
-
1970
The Philippine natural resources accounting project (NRAP- PHASE I) main report.
Julkaistu 1992Kirja


