Piyachat Jarutirasarn. (2020) Efficiency Enhancement in Transportation for Trading Business in Thailand. <i>Journal of Management Science Nakhon Pathom Rajabhat University</i>, <i>7</i>(2), 81-95.Piyachat Jarutirasarn. "Efficiency Enhancement in Transportation for Trading Business in Thailand". Journal of Management Science Nakhon Pathom Rajabhat University 7 (2020):81-95.Piyachat Jarutirasarn. Efficiency Enhancement in Transportation for Trading Business in Thailand. Faculty of Management Science Nakhon Pathom Rajabhat University.:ม.ป.ท. 2020.