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1Publicado em 2014Available remotely for University of the Philippines System via Science Direct. Click here to access through Open Athens
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2Publicado em 2013Available for University of the Philippines System via Science Direct. Also available remotely thru Open Athens:
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3Publicado em 2012Available for University of the Philippines System via Science Direct. Also available remotely thru Open Athens:
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4Publicado em 2007Available for University of the Philippines System via Science Direct. Also available remotely thru Open Athens:
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6Publicado em 2003Available for University of the Philippines System via Science Direct. Also available remotely thru Open Athens:
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