SALMA SABILLA, S. S.; NASTITI WINAHYU; ENDRO PUJI ASTOKO. 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, [S. l.], v. 26, n. 1, p. 1–11, 2025. DOI: 10.33319/agtek.v26i1.180. Disponível em: https://agritek.unmermadiun.ac.id/index.php/agritek/article/view/180. Acesso em: 7 sep. 2026.