Safety and Health at Work. Occupational Safety and Health Research Institute (OSHRI).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSafety and Health at Work. Seoul: Occupational Safety and Health Research Institute (OSHRI).
एमएलए (9वां संस्करण) प्रशस्ति पत्रSafety and Health at Work. Occupational Safety and Health Research Institute (OSHRI).
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