Iskandar I. Studi Efisiensi Perbankan Syariah di Kota Lhokseumawe dan Aceh Utara. altahrir [Internet]. 2012 May 1 [cited 2025 Feb. 6];12(1):63-86. Available from: https://jurnal.iainponorogo.ac.id/index.php/tahrir/article/view/47