Araja, R. N., Barcelo, V., & Mariano, N. (2018). Mining didn't cause Itogon landslide, DENR says. IN Cover [column]. Manila Standard.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAraja, Rio N., Vito Barcelo, और Nat Mariano. "Mining Didn't Cause Itogon Landslide, DENR Says. IN Cover [column]." Manila Standard 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAraja, Rio N., et al. "Mining Didn't Cause Itogon Landslide, DENR Says. IN Cover [column]." Manila Standard, 2018.
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