Yoichiro Ogihara และ Pakakorn Rakrachakarn. (2017) Marketing research willingness to pay of people Living in Bangkok toward assisting and nursing care robots. Stamford International University:ม.ป.ท.Yoichiro Ogihara และ Pakakorn Rakrachakarn. 2017. Marketing research willingness to pay of people Living in Bangkok toward assisting and nursing care robots. ม.ป.ท.:Stamford International University;Yoichiro Ogihara และ Pakakorn Rakrachakarn. Marketing research willingness to pay of people Living in Bangkok toward assisting and nursing care robots. ม.ป.ท.:Stamford International University, 2017. Print.