Purwoko, D., Handoko, E. Y. and Sopaheluwakan, A. . (2025) “Comparative Analysis Of Landsat 8 And Landsat 9 Satellite Image Data In Surface Temperature Estimation, NDVI and NDBI Using Goggle Earth Engine”, GEOID, 20(2), pp. 93–113. doi: 10.12962/geoid.v20i2.8016.