http://e-repository.perpus.iainsalatiga.ac.id/11713
http://e-repository.perpus.iainsalatiga.ac.id/12087
http://e-repository.perpus.iainsalatiga.ac.id/11779
http://e-repository.perpus.iainsalatiga.ac.id/11692
http://e-repository.perpus.iainsalatiga.ac.id/11629
http://e-repository.perpus.iainsalatiga.ac.id/11627