Sari, Mutiara Pradita, Gregorius Nugroho Susanto, Endang Linirin Widiastuti, and Tugiyono Tugiyono. 2023. “Differences in Soaking Time of Sea Urchin Gonad Extract (Diadema Setosum) on Nile Tilapia (Oreochromis Niloticus) Masculinization With a Dose of 4 Mg L : Perbedaan Lama Perendaman Ekstrak Gonad Bulu Babi (Diadema Setosum) Terhadap Maskulinisasi Ikan Nila (Oreochromis Niloticus) Dengan Dosis 4 Mg L”. Jurnal Ilmiah Biologi Eksperimen Dan Keanekaragaman Hayati (J-BEKH) 10 (2):39-47. https://doi.org/10.23960/jbekh.v10i2.310.