http://e-repository.perpus.iainsalatiga.ac.id/12462
http://e-repository.perpus.iainsalatiga.ac.id/12354
http://e-repository.perpus.iainsalatiga.ac.id/13115
http://e-repository.perpus.iainsalatiga.ac.id/13028
http://e-repository.perpus.iainsalatiga.ac.id/13089
http://e-repository.perpus.iainsalatiga.ac.id/12923