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. JISRaP [internet]. 2022 Nov. 15 [cited 2026 Sep. 12];40(4):31-55. available from: https://so03.tci-thaijo.org/index.php/jiskku/article/view/255952