Gantuangco, B. (1997). Information technology changing business rules [series]. IN Special report [column]. Philippine Daily Inquirer.
Chicago-viite (17. p.)Gantuangco, Bobby. "Information Technology Changing Business Rules [series]. IN Special Report [column]." Philippine Daily Inquirer 1997.
MLA-viite (9. p.)Gantuangco, Bobby. "Information Technology Changing Business Rules [series]. IN Special Report [column]." Philippine Daily Inquirer, 1997.
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