Benjaporn Eungjaroen และ Sotarat Thammaboosadee. (2017) Traceability system implementation in organic farming using QR code technology. Mahidol University:ม.ป.ท.Benjaporn Eungjaroen และ Sotarat Thammaboosadee. 2017. Traceability system implementation in organic farming using QR code technology. ม.ป.ท.:Mahidol University;Benjaporn Eungjaroen และ Sotarat Thammaboosadee. Traceability system implementation in organic farming using QR code technology. ม.ป.ท.:Mahidol University, 2017. Print.