Keabsahan Akta Jual Beli yang Dibuat Pejabat Pembuat Akta Tanah (PPATS) Tanpa Adanya Persetujuan Istri Penjual (Studi Putusan MahkamahAgung Nomor 188 k/Pdt/2021. = Validity of the Sale and Purchase Deed Made by the Land Deed Maker Official (PPATS) without the consent of the seller's wife (Study of Supreme Court Decision Number 188 k/Pdt/2021