Analisis hukum perbandingan metode privatisasi antara strategic sale dan initial public offering dalam privatisasi badan usaha milik negara (BUMN) : studi pada PT Indosat Tbk dan PT Krakatau Steel Tbk = Comparative legal analysis on strategic sale and initial public offering policies in the course of state owned enterprises (BUMN) privatization in Indonesia : research at PT Indosat Tbk and PT Krakatau Steel Tbk