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1.
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The Hague : Mouton, 1970.
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2.
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Minneapolis : University of Minnesota Press, 1994.
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3.
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Garden City, N.Y. : Anchor Press, 1976.
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4.
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Singapore : Springer, [2018] ©2018
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5.
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Basel : Birkhäuser, 2011.
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6.
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London ; Thousand Oaks, CA : SAGE, 2005.
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7.
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London ; New York : Routledge, 2001.
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8.
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Monterey, Calif. : Brooks/Cole Pub. Co., c1975.
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