Esplanada, J. E. (2009). RP wizards rule int'l math competition. Philippine Daily Inquirer.
Chicago-viite (17. p.)Esplanada, Jerry E. "RP Wizards Rule Int'l Math Competition." Philippine Daily Inquirer 2009.
MLA-viite (9. p.)Esplanada, Jerry E. "RP Wizards Rule Int'l Math Competition." Philippine Daily Inquirer, 2009.
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