Pohan, Zulfikri. 2024. “Wanprestation In The Implementation Of The Griya Puri Husada Husada Housing Development Cooperation Agreement Between The Land Owner And The Developer: Cooperation Agreements, Implementation, Obstacles”. UIR Law Review 8 (1):14-22. https://doi.org/10.25299/uirlrev.2024.vol8(1).15855.