http://e-repository.perpus.iainsalatiga.ac.id/12525
http://e-repository.perpus.iainsalatiga.ac.id/17187
http://e-repository.perpus.iainsalatiga.ac.id/17687
http://e-repository.perpus.iainsalatiga.ac.id/17526
http://e-repository.perpus.iainsalatiga.ac.id/13280
http://e-repository.perpus.iainsalatiga.ac.id/13004