Kumalasari, Ratih, 		Srigutomo, Wahyu, 		Meilano, Irwan, AND 		Gunawan, Hendra.
" Numerical Modeling Of Pressure Source Of Sinabung Volcano Based On GPS Data In 2011-2012 Using Particle Swarm Optimization (PS0)" <em>Computational And Experimental Research In Materials And Renewable Energy</em> [Online], Volume 3 Number 2 (24 November 2020)