(1997). On solid ground: Science, technology, and intergrated land management. Canada: UNCTD.
Trích dẫn kiểu ChicagoOn Solid Ground: Science, Technology, and Intergrated Land Management. Canada: UNCTD, 1997.
MLA CitationOn Solid Ground: Science, Technology, and Intergrated Land Management. Canada: UNCTD, 1997.
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