Piriyapun, K. “The Establishment of Buffer Zone According to the Factory Act by Geographic Information System: A Case Study of Tha Kham Subdistrict, Bang Pakong District, Municipality Chachoengsao Province”. Journal of Information Science Research and Practice, vol. 40, no. 4, Nov. 2022, pp. 31-55, doi:10.14456/jiskku.2022.24.