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Korail Korabl-Sputnik 5 Koratla Korablinsky (huyện) Korpilahti Koralur, Hosakote Koraia pirata Kormilovsky (huyện) Koralakoppa, Bhadravati Koralagadde, BelurTài liệu tham khảo
WikiPedia: Korail http://gbc.korail.com/xe/Financial_b/909 http://www.railjournal.com/index.php/asia/korail-a... http://www.railjournal.com/newsflash/korea-plans-u... http://www.kosis.kr //tools.wmflabs.org/geohack/geohack.php?language=v... https://info.korail.com https://info.korail.com/mbs/english/index.jsp https://www.letskorail.com https://www.letskorail.com/ebizbf/EbizBfIndex_eng.... https://commons.wikimedia.org/wiki/Category:Korea_...