Nsonaazụ Yoshida na Goda (2001) usoro CVM ( nkeji valueshion usoro ) gosiri Japanese otu dị njikere iji kwụọ ụgwọ buru ibu ọrụ nke ugbo ala n'ime 72 623 yen / ezinụlọ / afọ ( karịa USD 5 nde ) iji ugbo ala , karịsịa osikapa nọgidere .
