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Thousand Oaks, CA : Sage Publications, 2006.
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2.
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London ; Sterling, VA : Earthscan, 2009.
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3.
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London ; Sterling, VA : Earthscan, 2009.
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4.
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London ; Thousand Oaks, CA : SAGE Publications, 2005.
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5.
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Oxfordshire, UK ; Boston, MA : CABI International, [2017]
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6.
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Milton Park, Abingdon, Oxon, [England] ; New York : Routledge, c2010.
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7.
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Tonawanda, NY : Channel View Publications, c2009.
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Oxfordshire, [England] ; New York, New York : Routledge, 2012. ©2012
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9.
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London, United Kingdom : Palgrave Macmillan, [2018]
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10.
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Wallingford, Oxfordshire ; Boston, MA : CABI, [2021]
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