Caldez, E. (2003). 17-year old Cagayan student invents remote thermometer. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCaldez, Estanislao. "17-year Old Cagayan Student Invents Remote Thermometer." Philippine Daily Inquirer 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCaldez, Estanislao. "17-year Old Cagayan Student Invents Remote Thermometer." Philippine Daily Inquirer, 2003.
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