Ocampo, A. R. (1999). Pre-Spanish Filipinos knew how to write. Philippine Daily Inquirer.
Dyfyniad Arddull ChicagoOcampo, Ambeth R. "Pre-Spanish Filipinos Knew How to Write." Philippine Daily Inquirer 1999.
Dyfyniad MLAOcampo, Ambeth R. "Pre-Spanish Filipinos Knew How to Write." Philippine Daily Inquirer, 1999.
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