http://e-repository.perpus.iainsalatiga.ac.id/10000
http://e-repository.perpus.iainsalatiga.ac.id/10074
http://e-repository.perpus.iainsalatiga.ac.id/9579
http://e-repository.perpus.iainsalatiga.ac.id/9553
http://e-repository.perpus.iainsalatiga.ac.id/10053