Pakkawee Wannagoon และ Wipop Paengwangthong. (2024) Implementation of Geographic Information Technology for Mapping and Studying Elephant Encroachment Density on Agricultural Land Outside Protected Zone. <i>The Journal of Spatial Innovation Development</i>, <i>5</i>(2), 80-92.Pakkawee Wannagoon และ Wipop Paengwangthong. "Implementation of Geographic Information Technology for Mapping and Studying Elephant Encroachment Density on Agricultural Land Outside Protected Zone". The Journal of Spatial Innovation Development 5 (2024):80-92.Pakkawee Wannagoon และ Wipop Paengwangthong. Implementation of Geographic Information Technology for Mapping and Studying Elephant Encroachment Density on Agricultural Land Outside Protected Zone. School of Information and Communication Technology, University of Phayao:ม.ป.ท. 2024.