Yulianto, E. S., A. Jauhari, D. G. R. Wiadnya, S. Sunardi, and M. A. Rahman. “SPECTRUM SOUND OF GULAMAH AS A PRELIMINARY STUDY DEVELOPMENT SOUND-FISH AGGREGATING DEVICE: CASE IN TUBAN WATERS, EAST JAVA”. Jurnal Teknologi Perikanan Dan Kelautan, Vol. 9, no. 2, July 2019, pp. 169-76, doi:10.24319/jtpk.9.169-176.