Amzari W, Mamang D, Fahruddin M. UNDERHAND PURCHASE AGREEMENT IMPLEMENTATION OF LAND AND BUILDING PURCHASING FROM DEVELOPER FROM PERSPEKTIF OF CONSUMER PROTECTION LAW. JHJ [Internet]. 17Aug.2022 [cited 4May2025];4(1):15-3. Available from: http://www.journalfhuia.ac.id/Jurisdictie/article/view/92