Puris Sornsaruht และ Samart Deebhijarn. (2017) A Social Impact Assessment using a SWOT-Based Framework to Determine the Factors for Free Train Transportation in Thailand. <i>Silpakorn University Journal of Social Sciences, Humanities, and Arts</i>, <i>17</i>(1), 41-68.Puris Sornsaruht และ Samart Deebhijarn. "A Social Impact Assessment using a SWOT-Based Framework to Determine the Factors for Free Train Transportation in Thailand". Silpakorn University Journal of Social Sciences, Humanities, and Arts 17 (2017):41-68.Puris Sornsaruht และ Samart Deebhijarn. A Social Impact Assessment using a SWOT-Based Framework to Determine the Factors for Free Train Transportation in Thailand. Silpakorn University Research and Development Institute:ม.ป.ท. 2017.