Sinambela, Marzuki, and Puji Hartoyo. “Characteristic of Background Seismic Noise of Local Tarutung Earthquake Based on Power Spectral Density and Probabilistic Density Function Method”. JUKI : Jurnal Komputer dan Informatika 7, no. 1 (May 13, 2025): 59–69. Accessed December 7, 2025. https://ioinformatic.org/index.php/JUKI/article/view/1027.