Sukmaitree, J., Kalayanamitra, K., Auekarn , N. and Rodjam , C. 2025. Utility Development of Public Utilities in Pak Nam Tha Ruea Subdistrict Municipality, Mueang Ranong District, Ranong Province. Dhammathas Academic Journal. 25, 1 (Mar. 2025), 401–412.