Keabsahan Jual Beli Tanah yang Dilakukan Tanpa Persetujuan Pasangan Dalam Perkawinan yang Dicatatkan Setelah Suami Meninggal Dunia (Studi Kasus Putusan Mahkamah Agung Nomor 2394 K/Pdt/2019) = Validity of Sale and Purchase of Land Conducted Without Spousal Consent in a Marriage which is Registered After The Spouse (Husband) is Deceased (Study of Supreme Court Verdict Case Number 2394 K/Pdt/2019)