Masahiko Yagitani และ Danupon Ariyasajjakom. (2012) The effect of international specializaion on labor productivity: the case of japanese electrical machinery industry. Chulalongkorn University:ม.ป.ท.Masahiko Yagitani และ Danupon Ariyasajjakom. 2012. The effect of international specializaion on labor productivity: the case of japanese electrical machinery industry. ม.ป.ท.:Chulalongkorn University;Masahiko Yagitani และ Danupon Ariyasajjakom. The effect of international specializaion on labor productivity: the case of japanese electrical machinery industry. ม.ป.ท.:Chulalongkorn University, 2012. Print.