http://e-repository.perpus.iainsalatiga.ac.id/19825
http://e-repository.perpus.iainsalatiga.ac.id/19568
http://e-repository.perpus.iainsalatiga.ac.id/19193
http://e-repository.perpus.iainsalatiga.ac.id/18254
http://e-repository.perpus.iainsalatiga.ac.id/19090
http://e-repository.perpus.iainsalatiga.ac.id/17932