Implikasi yuridis pengambilalihan perseroan terbatas terhadap hak-hak pekerja menurut pasal 163(2) undang-undang nomor 13 tahun 2003 tentang ketenagakerjaan studi kasus perkara PT BPR Prima Nusatama v para pekerja = The legal implication of company acquisition on the labor rights in article 163 paragraf 2 of law number 13 year 2003 regarding employment case study of PT BPR Prima Nusatama v labors