‘Azmi, M. A., and S. B. Purwaningsih. “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”. Indonesian Journal of Law and Economics Review, vol. 21, no. 1, Sept. 2026, p. 10.21070/ijler.v21i1.1676, doi:10.21070/ijler.v21i1.1676.