1Tran Quoc Vuong, "Traditions,Acculturation,Reno vation:The Evolutional Pattern of Vietnamese Culture", in Southeast Asia in the 9th to 14th Century, ed.David G.Marr and A.C.Milner,Singapore, Institute of Southeast Asia studies, 1986, P.273.
4John K.Whitmore, Paperwork:The Rise of the New Literati and Ministerial Power and the Effort toward Legibility in Dai Viet, in Southeast Asia in the Fifteenth Century-The China Factor, ed.Geoff Wade and Sun Laichen, Hong Kong: Hong Kong University Press, 2010, pp.107-108.
