http://e-repository.perpus.iainsalatiga.ac.id/10635
http://e-repository.perpus.iainsalatiga.ac.id/9532
http://e-repository.perpus.iainsalatiga.ac.id/10142
http://e-repository.perpus.iainsalatiga.ac.id/9294
http://e-repository.perpus.iainsalatiga.ac.id/10887
http://e-repository.perpus.iainsalatiga.ac.id/10984