Salma Sabilla, Salma Sabilla, Nastiti Winahyu, and Endro Puji Astoko. 2025. “Trading System for Goldfish Ornamental Fish in Boyolangu District, Tulungagung Regency: Tataniaga Ikan Hias Mas Koki Di Kecamatan Boyolangu Kabupaten Tulungagung”. JURNAL AGRI-TEK : Jurnal Penelitian Ilmu-Ilmu Eksakta 26 (1):1-11. https://doi.org/10.33319/agtek.v26i1.180.