윤문섭, Akito Kaga, Norihiko Tomooka, Duncan Vaughan, 백형진, 김창영. (2003). 일본 Okinawa지역에서 두류유전자원의 수집과 Vigna riukiuensis의 지리적 변이. 한국국제농업개발학회지, 15(4), 269-279.
Mun-Sup Yoon, Akito Kaga, Norihiko Tomooka, Duncan Vaughan, Hyung-Jin Baek, Chang-Young Kim. (2003). Collection of Legumes and Geographical Variation of Vigna Riukiuensis from the Islands of Southern Okinawa Prefecture. The Journal of the Korean Society of International Agriculture, 15(4), 269-279.