Implementasi Pemberlakuan Peraturan Menteri PUPR RI Nomor 11/PRT/M/2019 tentang Sistem Perjanjian Pendahuluan Jual Beli Rumah (PPJB) terhadap Jual Beli Satuan Rumah Susun dan Peran Notaris sebagai Pejabat yang Berwenang Membuat Akta Autentik = The Implementation of Public Works and Public Housing Ministerial Regulation Number 11/PRT/M/2019 on House Sale and Purchase Agreement System towards Condominium Selling and The Authority of Notary Public as an Officer in Making Authentic Deed