Analisis Kesesuaian Kegiatan Usaha Emiten Syariah Terhadap Prinsip – Prinsip Syariah di Pasar Modal Indonesia (Studi Terhadap Pencatatan Saham PT. XYZ, Tbk. sebagai Saham Syariah) = Compliance Analysis of a Sharia Listed Company’s Line of Business Regarding The Principles of Sharia Capital Market in Indonesia (Study on PT. XYZ, Tbk.’s Stock Listing)