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BIR extends validity of expired official receipts, sales invoices
Vydáno v Manila Bulletin (2022)Článek -
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Hindsight on the electric bill confusion. IN Opinion [column]
Vydáno v Manila Standard (2020)Článek -
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Charging for mobile all-IP telecommunications
Vydáno 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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