Metals and Materials International. The Korean Institute of Metals and Materials.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMetals and Materials International. The Korean Institute of Metals and Materials.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMetals and Materials International. The Korean Institute of Metals and Materials.
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