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1.
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Northhampton, MA, Edward Elgar Pub., 2022.
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2.
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London : Azrights Media, 2012.
English | K 331 SMI.L |
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3.
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New York : John Wiley & Sons, 1997.
English | D 740 YES.C |
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4.
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Paris : OECD, 1997.
English | C 414 OECD.E |
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5.
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Paris, France : Organisation for Economic Co-operation and Development (OECD), 1999.
Second reprint.
Spanish | B 75 OECD.E |
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