[1]
I. Intaravichiern and K. Wannathanung, “GUIDELINES FOR ENHANCING THE OPERATIONAL EFFICIENCY OF PERSONNEL AT THE REGIONAL GROUNDWATER RESOURCES OFFICES, DEPARTMENT OF GROUNDWATER RESOURCES”, ว.สังคมพัฒนศาสตร์, vol. 9, no. 8, pp. 292–307, Aug. 2026.