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1per Neack, LauraAvailable for University of the Philippines System via IG Publishing. Click here to access
Publicat 2018
Electronic Resource -
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4per Gilbert, MarkAvailable for the University of the Philippines System via IG Library. Click here to access
Publicat 2012
Electronic Resource -
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6per Schattle, HansAvailable for the University of the Philippines System via IG Library. Click here to access
Publicat 2012
Electronic Resource -
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8per O'Hara, KieronAvailable for the University of the Philippines System via IG Library. Click here to access
Publicat 2011
Electronic Resource -
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10per Vincent, AndrewAvailable for University of the Philippines System via Oxford Scholarship Online. Click here to access
Publicat 2004
Electronic Resource -
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12per Abinales, Patricio N.Full text access requires UP Webmail login
Publicat 1997
Electronic Resource