http://e-repository.perpus.iainsalatiga.ac.id/13573
http://e-repository.perpus.iainsalatiga.ac.id/13394
http://e-repository.perpus.iainsalatiga.ac.id/13613
http://e-repository.perpus.iainsalatiga.ac.id/13618
http://e-repository.perpus.iainsalatiga.ac.id/13876
http://e-repository.perpus.iainsalatiga.ac.id/13690