http://e-repository.perpus.iainsalatiga.ac.id/12059
http://e-repository.perpus.iainsalatiga.ac.id/12048
http://e-repository.perpus.iainsalatiga.ac.id/12147
http://e-repository.perpus.iainsalatiga.ac.id/13640
http://e-repository.perpus.iainsalatiga.ac.id/13777
http://e-repository.perpus.iainsalatiga.ac.id/17520