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BIR extends validity of expired official receipts, sales invoices
Publicado en Manila Bulletin (2022)Artigo -
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Hindsight on the electric bill confusion. IN Opinion [column]
Publicado en Manila Standard (2020)Artigo -
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Charging for mobile all-IP telecommunications
Publicado 2008Available for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access
Also available remotely for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access thru EZproxy
Electronic Resource -
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