http://e-repository.perpus.iainsalatiga.ac.id/11302
http://e-repository.perpus.iainsalatiga.ac.id/13979
http://e-repository.perpus.iainsalatiga.ac.id/13960
http://e-repository.perpus.iainsalatiga.ac.id/13265
http://e-repository.perpus.iainsalatiga.ac.id/13029
http://e-repository.perpus.iainsalatiga.ac.id/13609