(1991). Profile on occupational safety and health in Papua New Guinea. International Labour Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रProfile on Occupational Safety and Health in Papua New Guinea. Bangkok, Thailand: International Labour Organization, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रProfile on Occupational Safety and Health in Papua New Guinea. International Labour Organization, 1991.
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