Sulistyarso, Haryo. “Dynamic and Geological-Ecological Spatial Planning Approach in Hot Mud Volcano Affected Area in Porong-Sidoarjo”. IPTEK The Journal for Technology and Science, vol. 21, no. 3, July 2025, pp. 156-6, https://journal.its.ac.id/index.php/jts/article/view/5802.