http://e-repository.perpus.iainsalatiga.ac.id/12171
http://e-repository.perpus.iainsalatiga.ac.id/11841
http://e-repository.perpus.iainsalatiga.ac.id/12088
http://e-repository.perpus.iainsalatiga.ac.id/11663
http://e-repository.perpus.iainsalatiga.ac.id/15396
http://e-repository.perpus.iainsalatiga.ac.id/14948