JULIANI SIMALANGO, Yessica; PURBA, Hasim; HARIANTO, Dedi. LEGAL FORCE OF BINDING SALE PURCHASE AGREEMENT RELATED TO BREACH OF PERFORMANCE AND LEGAL CERTAINTY FOR THE PARTIES (STUDY OF MEDAN DISTRICT COURT DECISION NUMBER 45/PDT.G/2023/PN.MDN). SIBATIK JOURNAL: Jurnal Ilmiah Bidang Sosial, Ekonomi, Budaya, Teknologi, Dan Pendidikan, [S. l.], v. 4, n. 4, p. 247–262, 2025. DOI: 10.54443/sibatik.v4i4.2646. Disponível em: https://publish.ojs-indonesia.com/index.php/SIBATIK/article/view/2646. Acesso em: 16 apr. 2026.