Jitmahuema, T., Jitmahuema, P. and Anchan, N. 2021. Problem of Liability for a Wrongful Act of the Officials: The Study and Analysis of the Separation of Liability for a Wrongful Act in the Case of Performance of Duties and Non-performance of Duties. Research and Development Journal, Loei Rajabhat University. 16, 57 (Jul. 2021), 54–64.