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Conservation of Biological Resources Автор: E. J. Milner–Gulland Год: 1998 |
Engaged conservation planning and uncertainty mapping Автор: John Gallo Год: 2010 |
The Dilemma of Integrated Conservation and Development Автор: Charles Takoyoh Eyong Год: 2010 |
Analytical Techniques in Materials Conservation Автор: Stuart B.H. Год: 2007 |
Tourism Ecolabelling: Certification and Promotion of Sustainable Management Автор: Xavier Font, Ralf C. Buckley, Ralf Buckley Год: 2003 |