http://e-repository.perpus.iainsalatiga.ac.id/17452
http://e-repository.perpus.iainsalatiga.ac.id/17111
http://e-repository.perpus.iainsalatiga.ac.id/17333
http://e-repository.perpus.iainsalatiga.ac.id/17515
http://e-repository.perpus.iainsalatiga.ac.id/17572
http://e-repository.perpus.iainsalatiga.ac.id/18362