Trasaenda RK, Winanti A. Legal Force Of The Preliminary Sales Agreement (PPJB) As Evidence For The Seller Againts The Buyer Who Is In Breach Of Contract (Case Study: Decision Of The Surabaya District Court No.862/Pdt.G/2021/Pn Sby. JLPH [Internet]. 2025 Nov. 13 [cited 2025 Dec. 5];6(1):726-35. Available from: https://dinastires.org/JLPH/article/view/2626