The mac dynasty in annam and the institutional changes in sino - vietnamese relations 安南莫朝与中越关系制度的变化
4.
Primary remark on the context of gao pian reoccupyingannam and his management to annam 浅谈高骈收复安南的背景及对安南的经略
5.
The ruin is so regarded as a customs station after the discovery of a stone slab broken into four pieces with inscriptions : " by the grace of the emperor , tributes are accepted from and customs exchange with annam , which is far away from china 遗址于一九六二年发现。因遗址内先后发现由四阙断碑组成的一通石碑，上刻德怀交趾国贡赋遥通，下刻税厂值理重修，故被认为是一税关遗址。
