Cordova, C. (2020). Cebu City contract tracers have a lot of catching up to do. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCordova, Calvin. "Cebu City Contract Tracers Have a Lot of Catching Up to Do." Manila Bulletin 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCordova, Calvin. "Cebu City Contract Tracers Have a Lot of Catching Up to Do." Manila Bulletin, 2020.
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