Niratchara Pong-ajarn. (2026) Pre-Litigation Procedures in Administrative Litigation: A Study of the Failure or Undue Delay of Administrative Agencies or State Officials to Perform Duties as Prescribed by Law. <i>Governance Journal, Kalasin University</i>, <i>15</i>(1), 297-318.Niratchara Pong-ajarn. "Pre-Litigation Procedures in Administrative Litigation: A Study of the Failure or Undue Delay of Administrative Agencies or State Officials to Perform Duties as Prescribed by Law". Governance Journal, Kalasin University 15 (2026):297-318.Niratchara Pong-ajarn. Pre-Litigation Procedures in Administrative Litigation: A Study of the Failure or Undue Delay of Administrative Agencies or State Officials to Perform Duties as Prescribed by Law. Department of Public Administration, Faculty of Liberal Arts, Kalasin University:ม.ป.ท. 2026.