Juliani Simalango, Y. , Purba, H. and Harianto, D. 2025. 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. 4, 4 (Mar. 2025), 247–262. DOI:https://doi.org/10.54443/sibatik.v4i4.2646.