Curtis, M. Adapt to customers' needs, expectations, brands urged. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Curtis, Mark. "Adapt to Customers' Needs, Expectations, Brands Urged." Philippine Daily Inquirer .
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Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.