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