Frago, P. P., & Corpuz, O. D. My days with UP presidents. IN Opinion. Philippine Daily Inquirer.
Dyfyniad Arddull ChicagoFrago, Pio P., and Onofre D. Corpuz. "My Days with UP Presidents. IN Opinion." Philippine Daily Inquirer .
Dyfyniad MLAFrago, Pio P., and Onofre D. Corpuz. "My Days with UP Presidents. IN Opinion." Philippine Daily Inquirer, .
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