Villafania, A. (2006). Call center labor shortage bearing down on RP. Philippine Daily Inquirer.
Chicago Style aipamenaVillafania, Alex. "Call Center Labor Shortage Bearing Down on RP." Philippine Daily Inquirer 2006.
MLA aipamenaVillafania, Alex. "Call Center Labor Shortage Bearing Down on RP." Philippine Daily Inquirer, 2006.
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