http://e-repository.perpus.iainsalatiga.ac.id/14366
http://e-repository.perpus.iainsalatiga.ac.id/14306
http://e-repository.perpus.iainsalatiga.ac.id/14507
http://e-repository.perpus.iainsalatiga.ac.id/14772
http://e-repository.perpus.iainsalatiga.ac.id/14397