Roberto, D. N. Do we prioritize blue ocean marketing over red ocean marketing? Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Roberto, Dr. Ned. "Do We Prioritize Blue Ocean Marketing over Red Ocean Marketing?" Philippine Daily Inquirer .
Lua MLA (9ú heag.)Roberto, Dr. Ned. "Do We Prioritize Blue Ocean Marketing over Red Ocean Marketing?" Philippine Daily Inquirer, .
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