Kusumayudha, S. B. . (2025) “Detecting Springs in the Coastal Area of the Gunungsewu Karst Terrain, Yogyakarta Special Province, Indonesia, Analysis using Fractal Geometry”, IPTEK The Journal for Technology and Science, 20(4), pp. 169–176. doi: 10.12962/j20882033.v20i4.5877.