Perhaps you should try some spelling variations:
"Routledge studies in environmental regulations." » "Routledge studies in environmental degradation."
"routledge studies in environmental politics." » "routledge studies in environmental policies.", "routledge studies in environmental pollution.", "routledge studies in environmental conditions."

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("routledge studies in environmental politics.") or ("Routledge studies in environmental regulations."))) or ("routledge studies in environmental policy."))~.
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