Buuxi weedha soo socota:
Guuldaradii Koonfurta Vietnam ee ciidamada Waqooyiga Vietnam, đồng-kii ugu horreeyay waxaa lagu beddelay lacag cusub, oo loo yaqaan " đồng-ka xoraynta ", oo qiimihiisu yahay 1 đồng xoraynta = 500 đồng ugu horreeyay Sebtember 22, 1975. Lacagta xoraynta ayaa la wareegay ilaa May 2, 1978, markii labada lacagood ee Vietnam ay midoobeen oo lacagtii xoraynta lagu beddelay lacagtii cusub ee Vietnam ee heerka 1 cusub = 0.8 lacag xor ah.