เปรมปรีดิ์ ป. (2019) “POLICY IN FORMATION PROCESS GUIDELINES ON PROTASH SURVEYING IN SAKONNAKHON PROVINCE”, Journal of MCU Social Science Review. Ayutthaya, Thailand, 7(1), pp. 185–195. Available at: https://so03.tci-thaijo.org/index.php/jssr/article/view/235563 (Accessed: 17 May 2024).