Papa, J. (2002). Woman inventor nets simple answers to everyday problems. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPapa, Joey. "Woman Inventor Nets Simple Answers to Everyday Problems." Philippine Daily Inquirer 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPapa, Joey. "Woman Inventor Nets Simple Answers to Everyday Problems." Philippine Daily Inquirer, 2002.
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