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ISSN:1475-3928|3|3|229-233

Westburn Publishers Ltd‎(2004)‎

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ISSN:1615-3375|13|6|1005-1033

Springer Publishing Company ‎(2013)‎

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ISSN:1475-3928|3|3|335-349

Westburn Publishers Ltd‎(2004)‎

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