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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र(NHRC), Nepal Health Research Council. Assessment of Ambient Air Quality in Selected Urban Areas of Nepal. Nepal Health Research Council, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्र(NHRC), Nepal Health Research Council. Assessment of Ambient Air Quality in Selected Urban Areas of Nepal. Nepal Health Research Council, 2013.
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