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