‘Azmi MA, Purwaningsih SB. The Risk of Breach of Contract in Fish Trading Practices Without Payment Guarantees at the Sidoarjo Fish Auction Site : Risiko Wanprestasi dalam Praktik Jual Beli Ikan Tanpa Jaminan Pembayaran di Tempat Pelelangan Ikan Sidoarjo. ijler [Internet]. 2026 Sep. 18 [cited 2026 Sep. 24];21(1):10.21070/ijler.v21i1.1676. Available from: https://ijler.umsida.ac.id/index.php/ijler/article/view/1676