Widyangga, Pressylia, M. Fariz Mardianto, Firda Pratiwi, Andi Vania Putrie, Putu Andriani, Dita Amelia, and Deshinta Dewi. 2024. “Natural Disaster Mapping on Java Island Using Biplot Analysis”. Jurnal Varian 7 (2), 137 -48. https://doi.org/https://doi.org/10.30812/varian.v7i2.2634.