De Vera, B. O. 30 PPP projects to start this year. IN Business. Philippine Daily Inquirer.
Čikaški stil citiranja (17. izdanje)De Vera, Ben O. "30 PPP Projects to Start This Year. IN Business." Philippine Daily Inquirer .
MLA način citiranja (9. izdanje)De Vera, Ben O. "30 PPP Projects to Start This Year. IN Business." Philippine Daily Inquirer, .
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