http://e-repository.perpus.iainsalatiga.ac.id/13608
http://e-repository.perpus.iainsalatiga.ac.id/10675
http://e-repository.perpus.iainsalatiga.ac.id/10720
http://e-repository.perpus.iainsalatiga.ac.id/11376
http://e-repository.perpus.iainsalatiga.ac.id/10681