http://e-repository.perpus.iainsalatiga.ac.id/15960
http://e-repository.perpus.iainsalatiga.ac.id/15954
http://e-repository.perpus.iainsalatiga.ac.id/15820
http://e-repository.perpus.iainsalatiga.ac.id/12253
http://e-repository.perpus.iainsalatiga.ac.id/17443
http://e-repository.perpus.iainsalatiga.ac.id/17439