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naver.com
entertain.naver.com
"보아, 감성 싱글 '에버래스팅' 25일 국내 발매" [BoA, emotional single 'Everlasting' released in Korea on the 25th]. JoyNews24 (in Korean). Naver. January 24, 2006. Retrieved March 15, 2024.
"보아, 日 18번째 싱글 폭발적 인기" [BoA, Japan's 18th single explodes in popularity]. Star News (in Korean). Naver. January 24, 2006. Retrieved March 15, 2024.
"보아, 로만 폴란스키 영화에 테마곡 선사" [BoA provides theme song to Roman Polanski's film]. Yonhap News Agency (in Korean). Naver. December 28, 2005. Retrieved March 15, 2024.
oricon.co.jp
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"2006.01월 – 가요 음반 판매량" [January 2006 Album Sales]. Music Industry Association of Korea. 2007. Archived from the original on September 27, 2007. Retrieved November 1, 2014.
"2006년 – 가요 음반 판매량" [2006 Domestic Album Sales]. Recording Industry Association of Korea. 2006. Archived from the original on January 1, 2009. Retrieved October 22, 2014.