"masayuki kuwata,Asuka Terai,Masanori Nakagawa","Title: Analysis of the social structures for the construction of a social development model using country-base data from 1970 to 2000","The 72nd Annual Meeting of the Psychometric Society",,,,,,2007,July
"masayuki kuwata,Asuka Terai,Masanori Nakagawa","Re-examination of a Social Development Model Constructed via Principal Component Analysis","the 70th Annual Meeting of the Psychometric Society and the 14th International Meeting of the Psychometric Society (IMPS2005)","roc of the 70th Annual Meeting of the Psychometric Society and the 14th International Meeting of the Psychometric Society (IMPS2005)",,,,"pp. 128-129",2005,July