ebrary, Inc, & Andrews, R. N. L. (1991). Opportunities in applied environmental research and development. National Academy Press.
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Dyfyniad Arddull Chicago
ebrary, Inc, and Richard N. L. Andrews. Opportunities in Applied Environmental Research and Development. Washington, D.C.: National Academy Press, 1991.
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Dyfyniad MLA
ebrary, Inc, and Richard N. L. Andrews. Opportunities in Applied Environmental Research and Development. National Academy Press, 1991.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.