Jittsopa, C. and Chienwattanasook, K. 2021. 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, 1 (Jun. 2021), 307–319. DOI:https://doi.org/10.14456/jmsnpru.2021.24.