http://e-repository.perpus.iainsalatiga.ac.id/10586
http://e-repository.perpus.iainsalatiga.ac.id/10311
http://e-repository.perpus.iainsalatiga.ac.id/10895
http://e-repository.perpus.iainsalatiga.ac.id/10911
http://e-repository.perpus.iainsalatiga.ac.id/11049