Perlindungan terhadap pihak ketiga dan tanggung jawab notaris atas perbuatan melawan hukum yang dilakukan para pihak dan notaris dalam perjanjian sewa menyewa: studi kasus putusan Pengadilan Tinggi nomor 59/PDT/2019/PT.BDG = Protection of third parties and notary responsibility in the case of unlawful acts conducted by the parties and notary within lease agreement: case study of High Court decision number 59/PDT/2019/PT.BDG