Company, Hyundai Rotem (November 8, 2017). "시속 421km로 달리다! 동력분산식 고속차량 '해무' HEMU-430X" [Running at 421 kilometers per hour! Distributed Power High Speed Vehicle 'Marine' HEMU-430X]. Hyundai Rotem Blog (in Korean). Archived from the original on November 4, 2019. Retrieved November 4, 2019.
Park Sae-yan (July 13, 2021). "8월 1일부로 경전선 KTX 증편, 수서행 KTX 운행 가능해" [From August 1st, the Gyeongjeon Line KTX service will be increased, and the KTX service bound for Suseo will be available.]. Naver (in Korean). Asia Economy. Archived from the original on July 26, 2021. Retrieved July 26, 2021.
Park Jang-sik (July 13, 2021). "무궁화호 '최후 야간열차' 폐지...강릉 가는 길은 더 쾌적" [Abolition of Mugunghwa's 'Last Night Train' ... The road to Gangneung is more pleasant]. Naver (in Korean). OhmyNews. Archived from the original on July 26, 2021. Retrieved July 26, 2021.
Company, Hyundai Rotem (November 8, 2017). "시속 421km로 달리다! 동력분산식 고속차량 '해무' HEMU-430X" [Running at 421 kilometers per hour! Distributed Power High Speed Vehicle 'Marine' HEMU-430X]. Hyundai Rotem Blog (in Korean). Archived from the original on November 4, 2019. Retrieved November 4, 2019.
Park Sae-yan (July 13, 2021). "8월 1일부로 경전선 KTX 증편, 수서행 KTX 운행 가능해" [From August 1st, the Gyeongjeon Line KTX service will be increased, and the KTX service bound for Suseo will be available.]. Naver (in Korean). Asia Economy. Archived from the original on July 26, 2021. Retrieved July 26, 2021.
Park Jang-sik (July 13, 2021). "무궁화호 '최후 야간열차' 폐지...강릉 가는 길은 더 쾌적" [Abolition of Mugunghwa's 'Last Night Train' ... The road to Gangneung is more pleasant]. Naver (in Korean). OhmyNews. Archived from the original on July 26, 2021. Retrieved July 26, 2021.