Tanggung Jawab Notaris atas Pembatalan Jual Beli Saham Dalam Pelaksanaan Pengambilalihan PT PJA (Studi Kasus Putusan Pengadilan Negeri Jakarta Pusat Nomor 52/PDT.G/2020/PN Jkt Pst) = Notary Responsibilities For The Void on Sale and Purchase of Shares in Relation to The Acquisition of PT PJA (Case Study of Verdict of The Central Jakarta District Court Number 52/PDT.G/2020/PN Jkt Pst)