Chamaiporn Siangyen. (2018) U.S. Smart Power in Southeast Asia During the Obama Administration: More Hard or Soft Power?. <i>International Journal of East Asian Studies</i>, <i>22</i>(1), 72-93.Chamaiporn Siangyen. "U.S. Smart Power in Southeast Asia During the Obama Administration: More Hard or Soft Power?". International Journal of East Asian Studies 22 (2018):72-93.Chamaiporn Siangyen. U.S. Smart Power in Southeast Asia During the Obama Administration: More Hard or Soft Power?. Institute of East Asian Studies, Thammasat University:ม.ป.ท. 2018.