Peerasak Mutuwong และ Wudhichai Assawinchaichote. (2014) Programmable logic controller kit for test devices of automation systems. King mongkut’s university of technology thonburi:ม.ป.ท.Peerasak Mutuwong และ Wudhichai Assawinchaichote. 2014. Programmable logic controller kit for test devices of automation systems. ม.ป.ท.:King mongkut’s university of technology thonburi;Peerasak Mutuwong และ Wudhichai Assawinchaichote. Programmable logic controller kit for test devices of automation systems. ม.ป.ท.:King mongkut’s university of technology thonburi, 2014. Print.