Papa, J. (2002). Woman inventor nets simple answers to everyday problems. Philippine Daily Inquirer.
Chicago-viite (17. p.)Papa, Joey. "Woman Inventor Nets Simple Answers to Everyday Problems." Philippine Daily Inquirer 2002.
MLA-viite (9. p.)Papa, Joey. "Woman Inventor Nets Simple Answers to Everyday Problems." Philippine Daily Inquirer, 2002.
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