http://e-repository.perpus.iainsalatiga.ac.id/14399
http://e-repository.perpus.iainsalatiga.ac.id/14659
http://e-repository.perpus.iainsalatiga.ac.id/14537
http://e-repository.perpus.iainsalatiga.ac.id/13875
http://e-repository.perpus.iainsalatiga.ac.id/14013