Leiwakabessy, Juliana, Rico R.R Mailissa, and Simon P.O Leatemia. 2017. “Chemical Composition of Sipunculus Nudus in Regency Raja Ampat and Manokwari”. Jurnal Sumberdaya Akuatik Indopasifik 1 (1):53-66. https://doi.org/10.30862/jsai-fpik-unipa.2017.Vol.1.No.1.21.