Chipongian, L. C. (2003). BIR expands paperless tax system registration. Manila Bulletin.
Chicago Style (17th ed.) CitationChipongian, Lee C. "BIR Expands Paperless Tax System Registration." Manila Bulletin 2003.
MLA (9th ed.) CitationChipongian, Lee C. "BIR Expands Paperless Tax System Registration." Manila Bulletin, 2003.
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