Organisation for Economic Co-operation and Development. (1979). The state of the environment in OECD member countries. OECD.
Chicago Stili AlıntıOrganisation for Economic Co-operation and Development. The State of the Environment in OECD Member Countries. Paris: OECD, 1979.
MLA AlıntıOrganisation for Economic Co-operation and Development. The State of the Environment in OECD Member Countries. OECD, 1979.
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