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1Published 2012Available for the University of the Philippines System via SAGE Knowledge. Click here to access
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2Published 2012Available for the University of the Philippines Baguio via SAGE Knowledge. Click here to access
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3Published 2008Available for the University of the Philippines System via SAGE Knowledge. Click here to access
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4Published 2007Available for the University of the Philippines System via SAGE Knowledge. Click here to access
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6Published 2006Available for the University of the Philippines System via SAGE Knowledge. Click here to access
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7Published 2006Available for the University of the Philippines System via SAGE Knowledge. Click here to access
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8by Mansvelt, JulianaAvailable for the University of the Philippines System via SAGE Knowledge. Click here to access
Published 2005
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