Mangahas, M. (2009). Can measuring happiness make people happy? Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMangahas, Mahar. "Can Measuring Happiness Make People Happy?" Philippine Daily Inquirer 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMangahas, Mahar. "Can Measuring Happiness Make People Happy?" Philippine Daily Inquirer, 2009.
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