Tomatala, P., P. P. Letsoin, and E. M. Kadmaer. “Effectiveness of Rearing Sandfish, Holothuria Scabra and Seaweed, Gracilaria Sp. With the Polyculture System”. Jurnal Ilmiah Platax, vol. 7, no. 1, June 2019, pp. 266-73, doi:10.35800/jip.7.1.2019.23373.