Chaleewat Jittsopa และ Krisada Chienwattanasook. (2021) Organizational Citizenship Behavior and Iddhipada-4 affecting Work Performance of Employee in Manufacturing Industry in Phra Nakhon Si Ayutthaya Province. <i>Journal of Management Science Nakhon Pathom Rajabhat University</i>, <i>8</i>(1), 307-319.Chaleewat Jittsopa และ Krisada Chienwattanasook. "Organizational Citizenship Behavior and Iddhipada-4 affecting Work Performance of Employee in Manufacturing Industry in Phra Nakhon Si Ayutthaya Province". Journal of Management Science Nakhon Pathom Rajabhat University 8 (2021):307-319.Chaleewat Jittsopa และ Krisada Chienwattanasook. Organizational Citizenship Behavior and Iddhipada-4 affecting Work Performance of Employee in Manufacturing Industry in Phra Nakhon Si Ayutthaya Province. Faculty of Management Science Nakhon Pathom Rajabhat University.:ม.ป.ท. 2021.