SUSIANTI N. ANALISIS OPTIMALISASI PRINSIP LEMBAGA KEUANGAN SYARIAH NON-BANK “ANOMALY EVENT STUDY JANUARY EFFECT TERHADAP ABNORMAL RETURN SAHAM SYARIAH (JII) DI PASAR MODAL INDONESIA”. IQTISHADUNA [Internet]. 2017 Jun. 19 [cited 2026 Apr. 19];8(1):23-36. Available from: https://journal.uinmataram.ac.id/index.php/iqtishaduna/article/view/358